Solve the following linear inequality: -3 ≤ 2x + 5 /3 < 6 [-7, 13/2) [-12, 7/2) [3, 6/5)

Can someone explain the elimination method to me for this problem?

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?

What is the distance between a and b? round your answer to the nearest tenth. a coordinate plane is shown. point a is located at negative 1, 5, and point b is located at 4, 1. a line segment connects the two points.