Which expression is equivalent to
A^-8b/a^-5b^3

What are the soultion(s) to the quadratic equation 40- x^2=0

8. kelly wants to buy a magazine that is $25. later the magazine was marked up an additional 20%. what is the new price?

William invested $5000 in an account that earns 3.8% interest, compounded annually. the formula for compound interest is a(t) = p(1 + i)t. how much did william have in the account after 6 years? (apex)