-8n - 2n + 3 + 7

Combining Like Terms

Can someone help me?

Using the side-splitter theorem, daniel wrote a proportion for the segment formed by luke segment de. what is ec?

Find the area of an equilateral triangle with a side of 6 inches

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 =