please answer all the questions what is a) x = 4 and y = 2 and 5x² + 7y + 5 = B) and d=2 and c=6. 8d²+ 5c + 3 C) a=3 and b=2 . 5a² - 10b + 9b= D) 24 / V x k and v = 2 and k =4

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 = _