Answer:
a. -8, -12, -24, 20
b. -20, -30, -60, 50
3. 40, -60, 120, -100
4. 28, -27, 72, -49
Step-by-step explanation:
Here's a tip: If there is a positive times a negative, the answer will be negative. Positive times positive, the answer will be positive. Negative times negative, the answer will be positive. Negative times positive, the answer will be negative.
