Help plsss!! thank you so mhcb

What describes horizontal cross section of the right rectangle 6m 8m 5m

Simplify. (-2)^-3 a. -8 b. -1/8 c. 1/8 d. 8

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)