Answer:
5ab + 8 - 1a^2.
Step-by-step explanation:
Combining like terms, we get 3a^2 - 4a^2 = -1a^2. We get 9ab - 4ab = 5ab. Then we get, 5 + 3 = 8. Together this is 5ab + 8 - 1a^2
Answer: I thought you already asked this question.
Step-by-step explanation:
The correct answer is 2 1/7
A4 means the 4th number
so it is 17
