What is the estimated rate of change for the quadritic graph on the interval 0 less than or equal to x less than or equal to 4

The point a is at –2 and the point b is at 7. marissa would like to divide this line segment in a 4: 3 ratio, and she would like to use the formula x = (x2 – x1) + x1. what values should she substitute into the formula? a = a + b = x1 = x2 =

Which expression is equivalent to -12(3x-3/4)

Annabelle's homework is 75% it took her three hours how long should she estimate it will take her to complete her homework.