Question 9. d
Question 10. b
Question 11.b
Answer:
3
Step-by-step explanation:
mark brainliest
Simplifying it would make it 3/4b^2. I can't write it down the correct way, but it's three over four times b squared. Unless it's a square root, then things would be different.
Answer:80
Step-by-step explanation:2 times 5 is 10. 10 times 67 is 670. 670 divided by 67 is 10. 10 times 8 is 80x