Questions on Algebra: Evaluation of expressions, parentheses answered by real tutors!

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Question 111464:
 7aē      2aē      bē
————— -  ————— + —————
 12       3b      6aē

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Question 111507: A triangle has sides 3x+7, 4x-9, and 5x+6. Find the expression that represents its perimeter.
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Question 111506: b^2-2bc+c^2
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Question 111504: 4b+5d-c/a
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Question 111718: 9X exponent 2 - (5X to exponent 2 - 10) I don't no the correct answer to this problem. I got -45X to the 4th - 10

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Question 112019: a^4b^2*ab^3
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Question 112024: Is the correct answer?

4^2+2*7-(5-4-15)=

16+14=30-14=16

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Question 112026: Place the following set of numbers in ascending order.
4,-10,0,9,-6,-1,1

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Question 112458: How would I write the quotient of n and twelve?
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Question 112635: Please show me step by step.
the Randolph's used 12 more gallons of fuel oil in October than in September and twice as much oil in November as in September. if they used 132 gallons for the 3 months, how much was used during each month?

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Question 112635: Please show me step by step.
the Randolph's used 12 more gallons of fuel oil in October than in September and twice as much oil in November as in September. if they used 132 gallons for the 3 months, how much was used during each month?

Click here to see answer by bucky(2189) About Me 

Question 112637: Yuri has a board that is 98 inches long. He wishes to cut the board into two pieces so that one piece will be 10 inches longer than the other. What should the length of each piece be?
Please explain, I do not even know where to start!

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Question 112630: please explain.

-4(2x-3)=8x+5

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Question 112624: 12x-6=11x
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Question 112716: -6(8-13y)

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Question 113415: please explain
you have x number of frogs, 5 of them die, you find 7 more frog each for 3 days, you have 45 frogs. how many did you start out with?

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Question 113727: -20 - (-1)
____________
-3 - (-3)
Help please, I believe this is Undefined but want to double check! Thanks so much for your help.

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Question 113727: -20 - (-1)
____________
-3 - (-3)
Help please, I believe this is Undefined but want to double check! Thanks so much for your help.

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Question 113743: Would someone check this for me, Thanks so much.
7/9 -(-13/18) I have 3/2 as an answer.

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Question 113771: a number u times 5
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Question 113770: a number times 5
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Question 113783: Using Addition, subtraction, multiplication, division, Parenthesis make an expression using the numbers 1, 3, 4, 6 once and the total should be 24.
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Question 113971: Determine whether the following is an expression.
6 + r = z

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Question 114200: Find the product: (3x+0.4)(3x-0.4)
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Question 114201: Solve the equation: 3x + x =15-3
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Question 114413: using addition, subtraction, multiplication,division, parenthesis make an expression using 1, 3, 4, 6 once and the total should be 24.
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Question 114623: Evaluate the discriminant b^2-4ac. Then use the answer to state how many real-number solutions exist for the equation. y=x^2+8x+16

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Question 112625: 5x+8+3x-x+5=6x-3

Please explain.

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Question 109444: how do i do circumferences
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Question 115459: Solve each formula for n.
3n-p=6m
This is confusing so I really need help! Thanks

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Question 115670: Hi and thank you for your help if you can.
My problem is an intermediate algebra problem
2-3[-4+6]/(-2) Simplify.
Nichell Bailey p.s I never know where to begin first.

Click here to see answer by stanbon(75887) About Me 
Question 115670: Hi and thank you for your help if you can.
My problem is an intermediate algebra problem
2-3[-4+6]/(-2) Simplify.
Nichell Bailey p.s I never know where to begin first.

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Question 115681: Help needed please. I am so lost with this question. Thank for any help given.
-3/5 + (8/35) =
Thank you.

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Question 115778: Which of the following shows the expression x/4 - 1/8 - x/6 + 1/6 in simplest possible form with no parentheses and no like terms.
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Question 113646: (3x+0.4)(3x-0.4)
Find the product.


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Question 115810: Simplify:
a + 5a + 2a

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Question 115811: Simplify:
(-6a)(4b)

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Question 115857: Please help. I am not sure about the topic because I am not sure which topic to pick
Multiply.
9q^8 • 9q^5
Thanks
JMS

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Question 115928: Please help.
Please Evaluate the following.
(15-5)ũ [(12 ũ 2 • 2) -2]
Thanks
JMS

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Question 116092: solve
16y=64

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Question 116088: In the expression 13y + 4 identify..
the variable____
the coefficient______

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Question 116084: Simplify
-10(2a - 6b)

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Question 116091: m - 25 = -10
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Question 116093: solve
n-2n = -14

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Question 116147: 11P3 evaluate the expression
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Older solutions: 1..45, 46..90, 91..135, 136..180, 181..225, 226..270, 271..315, 316..360, 361..405, 406..450, 451..495, 496..540, 541..585, 586..630, 631..675, 676..720, 721..765, 766..810, 811..855, 856..900, 901..945, 946..990, 991..1035, 1036..1080, 1081..1125, 1126..1170, 1171..1215, 1216..1260, 1261..1305, 1306..1350, 1351..1395, 1396..1440, 1441..1485, 1486..1530, 1531..1575, 1576..1620, 1621..1665, 1666..1710, 1711..1755, 1756..1800, 1801..1845, 1846..1890, 1891..1935, 1936..1980, 1981..2025, 2026..2070, 2071..2115, 2116..2160, 2161..2205, 2206..2250, 2251..2295, 2296..2340, 2341..2385, 2386..2430, 2431..2475, 2476..2520, 2521..2565, 2566..2610, 2611..2655, 2656..2700, 2701..2745, 2746..2790, 2791..2835, 2836..2880, 2881..2925, 2926..2970, 2971..3015, 3016..3060, 3061..3105, 3106..3150, 3151..3195, 3196..3240, 3241..3285, 3286..3330, 3331..3375, 3376..3420, 3421..3465, 3466..3510, 3511..3555, 3556..3600, 3601..3645, 3646..3690, 3691..3735, 3736..3780, 3781..3825, 3826..3870, 3871..3915, 3916..3960, 3961..4005, 4006..4050, 4051..4095, 4096..4140, 4141..4185, 4186..4230, 4231..4275, 4276..4320, 4321..4365, 4366..4410, 4411..4455, 4456..4500, 4501..4545, 4546..4590, 4591..4635, 4636..4680, 4681..4725, 4726..4770, 4771..4815, 4816..4860, 4861..4905, 4906..4950, 4951..4995, 4996..5040, 5041..5085, 5086..5130, 5131..5175, 5176..5220, 5221..5265, 5266..5310, 5311..5355, 5356..5400, 5401..5445, 5446..5490, 5491..5535, 5536..5580, 5581..5625, 5626..5670, 5671..5715, 5716..5760, 5761..5805, 5806..5850, 5851..5895, 5896..5940, 5941..5985, 5986..6030, 6031..6075, 6076..6120, 6121..6165, 6166..6210, 6211..6255, 6256..6300, 6301..6345, 6346..6390, 6391..6435, 6436..6480, 6481..6525, 6526..6570, 6571..6615, 6616..6660, 6661..6705, 6706..6750, 6751..6795, 6796..6840