Cheap Car Shop charges $77 for parts and $31 per hour of labor for a repair job. Best Repair in Town charges a flat fee of $150 for the same job. Write a system of equations to represent the situation.

Let's call x the number of hours spent on the job.

Cheap car shop charges a total (we'll call it T) equal to 77+31x.

Best Repair in Town charges 150.

The sistem is:

T=77+31x

T=150

Solving it you can find the number of hours x that would take Cheap Car Shop to do the job and have a pay equal to the one of Best Repair in town. Under x, Cheap car shop is more convenient, over x, Best Repair in town is more convenient.

c 1 hour

step-by-step explanation:

m = 2e

m = 2 so 2 = 2e

1 = e

d. 8

step-by-step explanation:

the given radical expression is:

we can rewrite this as:

we express as square numbers to get;

the exponents will now cancel out to give.

the correct answer is d