Answer:
D
Step-by-step explanation:
Factors B, C and E are totally irrelevant.
Answer:

Step-by-step explanation:
If you don't know how to divide polynomials then I can help with that too or you can just search it up
Answer: True
Step-by-step explanation:
Answer:
x=21
Step-by-step explanation:
well, geez - just do the math!
3/7 * 49 = 21
Answer:
20m
Step-by-step explanation:
4 x 5 = 20
therefore the 5 benches are 20m long