Please help will give brainliest answer

How do i do this activity, is appreciated

What adds to be the bottom number but also multiplies to be the top number with 8 on the bottom and 15 on top

Ofof is a ? a. (1, 2), (1,-2), (3, 2), (3, 4) b. (1,6), (2, ,9), (0,5) c. (0, 2), (2,3), (0, -2), (4,1) d. (2, 4), (0, 2), (2, - 4), (5,3)