Ineed figuring out y=mx+b problems

The total number of students in gina’s after-school program is .the number of students who have 4 or more siblings is .reset next

Consider that lines b and c are parallel. what is the value of x? what is the measure of the smaller angle?

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 =