The answer is B, 7.
We can factor a 2 out of this:


We can't factor anything.

We can factor a 4 out of this:


We can factor an 8 out of this:

So your answer is B, 7.
Answer: 3 or the whole backyard
Step-by-step explanation: In a hour she can rack 3 backyard. The question asked that how much of a backyard can she rake in 1 hour. She can rake the whole backyard in a hour.
Answer:
length: 200
width: 65
Step-by-step explanation:
length: 3w + 5
width: w
perimeter = 2L + 2W
530 = 2(3w + 5) + 2w
530 = 6w + 10 + 2w
530 = 8w + 10
520 = 8w
w = 65
length: 3w + 5 = 3(65) + 5 = 200
width: w = 65
Answer: 66%
Step-by-step explanation:
I took the test on khan.