Solve the problem.The face-off areas in ice hockey have a diameter of 31.1 ft. Find the area of a face-off circle. Use 
and round to the nearest tenth.
A. The area of a face-off circle is 3037.0 square feet.
B. The area of a face-off circle is 97.7 square feet.
C. The area of a face-off circle is 379.6 square feet.
D. The area of a face-off circle is 759.3 square feet.
Answer: D
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Solve the problem.Find the average distance from a point 
in the annular region 
to the origin.
A. 
B. 
C. 
D. 
Estimate the value of the quantity.A swimming pool has a leak. The leak is getting worse. The following table gives the leakage rate every 6 hours.
Give the upper estimate for the number of gallons lost.
A. 145.2 gallons B. 254.4 gallons C. 32.4 gallons D. 194.4 gallons
Find the LCD. Do not combine fractions.
, 
A. 5x2 - 2 B. 5x - 2 C. 5x(x - 2) D. 5x2 - 10
Find the Social Security tax and Medicare tax on the annual gross income of a self-employed individual. For a self-employed person, the FICA rate is 12.4% and the Medicare rate is 2.9%. Round to the nearest cent if needed.Frank Weller, surveyor, earned $25,118.67
A. $1,557.36, $364.22 B. $3,014.72, $628.44 C. $3,114.72, $728.44 D. $1,557.36, $728.44