Option 1! If you expand the bracket and simplify.
Answer:
a^2 + 6^2:
3^2 + 6^2
9 + 36 = 45
answer: 45
a-b
3-4
-1
answer: -1
Step-by-step explanation:
Should be 7.5% I have to add more words to this sentence to post it
Answer:
A
Step-by-step explanation:
