Which table(s) show x and y in DIRECT PROPORTION? (Mark brainliess if correct)

A) A and B only
B) B and C only
C) C and D only
D) D and A only

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

When solving this problem: 3025/5.5 = a/90.75 you get 49912.5 which would be the length of one of the sides of a square when the area is only 90.75 inches. is that answer correct, why, and how is it possible?

Tom can paint the fence in 12 hours, but if he works together with a friend they can finish the job in 8 hours. how long would it take for his friend to paint this fence alone?