Answer:
About -2
Step-by-step explanation:
I can estimate that the answer is about -2. There isn't really a way to explain this, as it is an estimation and not the exact answer.
Answer:
Figure A
Step-by-step explanation:
Hope it helps.
Answer
at first I said 1/2 but it's 2/5's.
Step-by-step explanation:

Answer:
10*4+3=43
Step-by-step explanation:
Answer:
9a^2 + 42a + 49
Step-by-step explanation:
expand to (3a+7) (3a+7) then distribute then combine like terms