Answer:
I took them a total of 5 hours
Step-by-step explanation:
First you multiply 65 by 2 because of the first two hours
Then you subtract 130 out of 364 to get 234, those were the first two hours
The next hours you simply divide 234/78, which is 3
3 + 2 = 5 hours
Step-by-step explanation:
(x-9)²
= (x-9)(x-9)
= x²-9x-9x+81
= x²-18x+81
2x + 2(5+x)=10
2x+10+2x=10
4x+10=10
4x=0
X=0
7) y = 4x
8) y = 7x/8
9) y = 25x/3
I think this are the answers.
