Answer:
The answer is -3.
Step-by-step explanation:
You have to figure out the formula. X1 is -2. X2 is 2. Y1 is 7. Y2 is -5. After that, you must subtract Y2-Y1 and X2-X1. -5-7 is -12. 2--2 is 4. After that, you must simplify. You got -12/4. When you simplify, you get -3.
