Please only correct answers only I need to past this

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 =

Could someone me with this question i’ve been stuck on it for 20 minutes

Heather is riding a quadratic function that represents a parabola that touches but does not cross the x-axis at x=-6