Find the exact values of the following, giving your answer as fractionsa)  3^-2b) 4^-3c) 2^-4

Parabolas y=−2x^2 and y=2x^2 +k intersect at points a and b that are in the third and the fourth quadrants respectively. find k if length of the segment ab is 5.

How do i put 3(x+7) in distributive property

Assume that y varies inversely with x. if y=1.6 when x=0.5 find x when y=3.2