The running shoes Gina bought at a 20%-off sale were originally priced at $70. Before tax was added, how much money did Gina save by buying the shoes on sale?

Question 101 points)which equation in slope-intercept form represents the line that passes through (5, 1) and(-4,7)

How do i make someone brainliest? (if you answer me, i might be able to make you brainliest! )

Adj has a total of 1075 dance and rock songs on her system. the dance selection is 4 times the size of the rock selection. write a system of equations to represent the situation.