ZA and ZB are complementary angles. If m_A = (x +9)° and m ZB = (7x – 15)°, then find the measure of ZB.

Scarlet bought three pairs of sunglasses and two shirts for $81 and paula bought one pair of sunglasses and five shirts for $105 what is the cost of one pair of sunglasses and one shirt?

Can somebody 1. what is the formula for finding the vertical distance between two points on a coordinate plane?

6x + 3y = -6 2x + y = -2 a. x = 0, y = -2 b. infinite solutions c. x = -1, y = 0 d. no solution