Solve for x. 8(x + 1) - 3(x + 4) = 7(2 - x)

x = 1 1/2
x = -1 1/2
x = 1 1/4
x = -1 1/4

Which of these triangle pairs can be mapped to each other using two reflections?

Astick 2 m long is placed vertically at point b. the top of the stick is in line with the top of a tree as seen from point a, which is 3 m from the stick and 30 m from the tree. how tall is the tree?

Is this a polynomial function? i need to know asap