HELP ME AGAIN PLS

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 of the following is a function? click on the graph until the correct graph appears.

How can a bar model be used to solve for the unknown variable in the equation below? show your work model and then solve. 2/5n-7=9 1/4