Please save the photo put the correct answer in then put the photo as an answer thank you <3

How do i put 3(x+7) in distributive property

The tile along the edge of a triangular community pool needs to be replaced? ?

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