Find (f•g) (x) for the following functions.

Me find the measure to side a and the process to solve the problem you appreciate it : )

What is the length of the unknown leg in the right triangle ?

Lindsay used two points, (x,y; ) and (+2.82), to find the equation of the line, y = mx + b, that passes through the points. y2-y, first, she used the definition of slope and determined that the value of mis x, - . given this information, which expression must represent the value of b?