Hey there! I'm happy to help!
We have the number -28 and we are subtracting 3 from it. This means we are going even further into the negatives, so it is -31.
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You would multiply 18 machines x 16" for a total of 288 inches. You would then divide by 36 because there are 36" (or 3 feet) in a yard. The answer is 8 yards of tubing.
Answer: 7.85
Explanation: The formula you would use to find the area for the shaded sector is
degree / 360 • 3.14 • r^2
36 / 360 • 3.14 • 5^2
You would square it because we’re looking for area.
D is the answer
Hope
This helps
