Answer:
Its 40 for the first and 20for the other one
Step-by-step explanation:
I just took the test.
So firstly, you want to foil - (7v^4 + 6) [Think of the minus sign as -1]: 
Next, combine like terms and your answer will be: 
Answer:
Maria and Antonio
Step-by-step explanation:
sorry if it's wrong
Answer:
-12
Step-by-step explanation:
<u>Step 1: Find the answer
</u>
Subtracting a negative number is same as adding a positive number
-28 - (-16)
-28 + 16
-12
Answer: -12