NUMBER 2 IM RUSHING. ILL GIVE BRAINLIEST TO WHOEVER GETS IT RIGHT I PROMISE

Will give brainliest if you answer question correct

Leslie started last week with $1200 in her checking account. during the week, she wrote the checks below.

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 =