If (ax + 4)(bx + 3) = 12&+ cx + 12 for all values of x, and a + b = 8, what are two possible values for c?​

Could someone with number 1 and 2

Cd is the perpendicular bisector of both xy and st, and cy=20. find xy.

Plz hurry finals a paper cup in the shape of an inverted cone is 8 inches tall and has a radius of 1.5 inches. how much water can the cup hold? use 3.14 for pi. round the answer to the nearest tenth. a) 12.6 cubic in. b) 18.8 cubic in. c) 37.7 cubic in. d) 56.5 cubic in.