Please help if your able to (:

Which of the following expressions is equal to 2x^2+8

Adriveway is 40 yards long about how many meters long is it

Consider this expression and the steps to evaluate it. 4^5(−2)^9/4^8(−2)^3 1. apply the quotient of powers:      (−2)^a/4^b 2. evaluate powers:           c/d select the value of each variable. a = _ b = _ c = _ d = _