Which of the following expressions is equal to -4x^2-36? a. (-4x-12i)(x+3) b. (-4x+9i)(x-4i) c. (-4x+12i)(x+3i) d. (-4x-9i)(x-4i)

Ben bowled 124 and 188 in his first two games. what must he bowl in his third game to have an average of at least 160?

Suppose y varies directly with x. write a direct variation equation that relates x and y. then find the value of y when x=12 y=7 when x=3

Can someone plz me understand how to do these. plz, show work.in exercises 1-4, rewrite the expression in rational exponent form.[tex]\sqrt[4]{625} \sqrt[3]{512} (\sqrt[5]{4} )³ (\sqrt[4]{15} )^{7}\\ (\sqrt[3]{27} )^{2}[/tex]