What is equivalent to 9r+7+3(8p+7r)+15

Solve each equation using the quadratic formula. find the exact solutions. 6n^2 + 4n - 11

Julie goes to the sports store and spends $40.50 before tax. she buys a pair of shorts for $21.75 and 3 pairs of socks that each cost the same amount. how much does each pair of socks cost? $$

(a.s."similarity in right triangles"solve for xa.) 10b.) 20c.) 14.5d.) [tex] 6\sqrt{3} [/tex]