Y = 4x - 1 ,I need help, find the slope and the y-intercept

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

3women sell hats at a craft fair weekly. the money they make at the fair is split into categories. 9% goes to pay taxes. $55 goes to pay rent for the space they sell in. the rest is split between the women. if the group make $706 at the fair, how much does each women get paid once the money is divided

What is the factor form of x^2-9x+14