<PRE><B>Question 101046</B>
1. solve for y:2x+3y=9
y = (-2/3)x+3
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2. solve for x: 5x+4y+20=0
x = (-4/5)y - 4
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3. solve the formula for L:P=2L+2W
L = (P-2W)/2
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4. solve the formula for R: E=IR
R = E/I
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simply expression with rational exponets

5. simplify: (b with neg.2/3 power)neg.6th exponet
b^(-2/3)^(-6) = b^(4)
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6.simplify: square root of 16a to the 4th power
sqrt(16a^4) = 4a^2
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Cheers,
Stan H.
</PRE>