Help me out again please.
2. Evaluate when x = 1 and y = -3 (x + y)² – (5 + x)​

Use circumcenter theorem to solve for the given values

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 property was used to simplify the expression? 3c+9 +4c=3c+4c+9