Answer:
12
Step-by-step explanation:
Your answer is 12. I hope this helps!!!
Hilf mir Baby, ich liebe dich
Answer:
C
Step-by-step explanation:
Answer: This coil will not be enough to complete the job.
Step-by-step explanation:
The circumference of the coil of wiring can be calculated with:

Where r is the radius and 
The radius can be calculated by dividing the diameter by 2. Then:

Convert 9 inches to yards (1 yard=36 inches):

Substitute this radius into the formula:

Since there are 21 circles of wire, you need to multiply
by 21:

The coil has 32.97 yards of wire and Alex needs 34 yards, therefore, this coil will not be enough to complete the job.
To find out how much he makes per week, take the amount and divide it by the week.
1520/4=380.
He makes 380 per week.