Find (x^3+7x^2-16x-112) divide by (x+4) using synthetic division// how do you find it?

Question 101 points)which equation in slope-intercept form represents the line that passes through (5, 1) and(-4,7)

Solve the system of equations. y= 2x y= x^2 - 15

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