What is the missing value for x?

Write the pair of fractions as a pair of fractions with a common denominator

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 =

In the diagram below,abc is congruent to dec what is the value of x