Answer:

Step-by-step explanation:

Apply rule 

Multiply the numbers: 

The answer is -12 because the 4 and 8 are negative
Answer:
First do the Base multiplied by the Height.
After divide by 2
Step-by-step explanation:
To find the perfect square needed, you take the "middle" value and half it, then square it. so in this case, take -6, half it into 3, and square it to get 9. you'll be adding 9 to both sides