Solve for x and y. y= -14x+100 and y= -14x+120

The final cost of a sale is determined by multiplying the price on the tag by 75%. which best describes the function that represents the situation?

Your friend, taylor, missed class today and needs some identifying solutions to systems. explain to taylor how to find the solution(s) of any system using its graph.

Whats is the value of the variables ?