Answer:
363-138=-5x
Step-by-step explanation:
Let c = cost
We know that the total cost is $363:
363-??????
We also know that he spent $138 on parts:
363-138?????
And we are solving for the cost of labor per hour:
363-138=5x
We can use this equation to find the total cost of labor per hour.
Hence, your equation will be 363-138=5x
Answer: D. 74.91
One pound is 2.205 kilograms, so we can find how many kilograms are in 165 lbs by dividing 165 by 2.02.
The answer is approximately 74.91
1.B
2.e
3.8+10(x+3)+x
8+10x+30+x
11x=-30-8
x=38+11x
Answer:
38.485(correct to 5 significant figure)/ 12.25π
Step-by-step explanation:


=38.485(cor. to 5 sig.fig.)/ 12.25π
to find arc length of sector,we need to π(radius²)(sector's degree divided by 360 degree)
Answer:
Step-by-step explanation:
let score in fourth test=x
88+98+79+x=80×4
265+x=320
x=320-265=55