<PRE><B>Question 154616</B>
1 is 12/12 __ 12/12 + 5/12 is 17/12


3 is 12/4 __ 12/4 + 1/4 is 13/4 __ to get a common denominator, multiply the top and bottom by 3 __ 13/4 is 39/12


17/12 - 39/12 is -22/12 which reduces to -11/6 or -1 5/6 as a mixed number



-5squared is negative __ -25
__ an exponent is associated with the quantity it is written next to
__ without parentheses, the negative sign is not included
__ (-5)squared would be positive 25


ABsquared is A times B times B; NOT AB times AB</PRE>