Please help me i will give you a brainlist thingy thanksss

Solve - pv + 40 < 65 for v solve 7w - 3r = 15 for r

Point a is located at (0, 4), and point c is located at (−3, 5). find the x value for the point b that is located one fourth the distance from point a to point c. −0.25 −0.5 −0.75 −1

The estimated number of people to attend the last bengals game of the season was 2000. the actual number of fans attending was 1200. by what percent did the estimate differ from the actual?