A + B + C = 180º for C

Can someone me out here and the tell me the greatest common factor

5. (04.07)which of the following exponential functions goes through the points (1, 12) and (2, 36)? (2 points)f(x) = 3(4)^xf(x) = 4(3)^-xf(x) = 3(4)^-xf(x) = 4(3)^x

Perry observes the opposite parallel walls of a room in how many lines do the plains containing the walls intersect