What is the volume of the rectangular prism?

It says factor each expression 49x-28?

Which values of p and q result in an equation with exactly one solution? px-43=-42x+q choose all answers that apply: a) p=-43 and q=-43 b) p=42 and q=43 c) p=43 and q=−42 d) p=42 and q=42

Bring the fraction a/a-4 to a denominator of 16-a^2