Solve the problem. Use 3.14 for ? and round to the nearest tenth.A figure skater must trace a figure eight on the ice that consists of two perfect circles, each with a radius of 10 feet. How far does the skater go one time around the figure eight?
A. 31.4 ft
B. 29.4 ft
C. 62.8 ft
D. 125.6 ft
Answer: D
Mathematics
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Provide an appropriate response.True or false? If n > 0 is an even integer, then the area of the region enclosed by 
is twice the area of the region enclosed by 
A. False B. True
Mathematics
Find the quotient.1.66 ÷ 2
A. 18.3 B. 1.83 C. 8.3 D. 0.83
Mathematics
Solve the problem.A square playground has a white line drawn through its diagonal. This creates two triangles whose angle measures are 45°, 45°, and 90°. If the sides of the playground are 73 feet, use trigonometric functions to find the length, x, of the diagonal. 
A. 51.6 ft B. 126.4 ft C. 103.2 ft D. 42.1 ft
Mathematics
Solve the equation by first clearing the decimals.-0.2(60) + 0.5x = 0.2(60 + x)
A. {70} B. {80} C. {90} D. {40}
Mathematics