Im confused, help please?

The coordinates of a, b, and c in the diagram are a(p,4), b(6,1), and c(9,q). which equation correctly relates p and q? hint: since is perpendicular to , the slope of × the slope of = -1. a. p - q = 7 b. q - p = 7 c. -q - p = 7 d. p + q = 7

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

Witch represents the inverse of the function f(x)=1/4x-12