Fred bought a computer for 25% off the list price. If the list price is $2,428 how much did Fred spend?

A, b, c, and d have the coordinates (-8, 1), (-2, 4), (-3, -1), and (-6, 5), respectively. which sentence about the points is true? a. a, b, c, and d lie on the same line. b. and are perpendicular lines. c. and are parallel lines. d. and are intersecting lines but are not perpendicular. e. and are parallel lines.

Hi, can anyone show me how to do this problem? 100 points for this. in advance

8. kelly wants to buy a magazine that is $25. later the magazine was marked up an additional 20%. what is the new price?