PLEASE HELP I DONT UNDERSTAND THIS.

Solve by any method (graphing, substitution or linear combination)y = x - 82x + 3y = 1a) (2, -6)b) (5, -3)c) (4, -4)d) (0, -8)i figured it out. the answer is (5, -3)

An 18% discount on a watch saved a shopper $72. find the price of the watch before the discount

Quadrilateral abcd is translated up and to the right, and then rotated about point q. which congruency statement is correct?