What is A= 2/h (a+b) for h?

Based on the graph, what is the initial value of the linear relationship? a coordinate plane is shown. a line passes through the y-axis at -2 and the x-axis at 3.

If f(x) = x+8 and g(x) = 4x- 3, find (f+g)(x)

James was playing a game with his friends. he won 35 points. then he lost 15, lost 40 and won 55. how did he come out