He earned $308.56. Because 532 times $.58 equals $308.56
Answer:
75.44 Square Inches
Step-by-step explanation:
The diagram of the problem is produced and attached.
To determine the area of the cleaned sector:
Let the radius of the larger sector be R
Let the radius of the smaller sector be r
Area of the larger sector 
Area of the smaller sector 
Area of shaded part =Area of the larger sector-Area of the smaller sector

From the diagram, R=10 Inch, r=10-7=3 Inch, 
Therefore, Area of the sector cleaned

The answer is B. He is incorrect because he should have only 5 factors of 3.
Answer: first option.
Step-by-step explanation:
Find the common difference d of the arithmetic sequence:

Then the formula for the 101st term is the shown below:

Where:

Substitute values into the formula. Therefore, you obtain:

Answer:
a control group is not used