Solve the problem. Use 3.14 to approximate the value of ?. Round to nearest tenth unless instructed differently.A figure skater must trace a figure eight on the ice that consists of two perfect circles, each with a radius of 12 ft. How far does the skater go one time around the figure eight? (Round to the nearest foot.)
A. 36 ft
B. 150 ft
C. 75 ft
D. 38 ft
Answer: B
Mathematics
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Solve for the indicated variable.P = 160e6t, for t
A. t = 
B. t = 
C. t = 
D. t = 
Mathematics
Evaluate the surface integral of G over the surface S.S is the plane x + y + z = 4 above the rectangle 0 ? x? 1 and 0 ? y ? 3; G(x,y,z) = 2z
A. 12
B. -18
C. 30
D. 18
Mathematics
Find the area.
A. 351 mi2 B. 1404 mi2 C. 702 mi2 D. 648 mi2
Mathematics
Correct to the nearest tenth of a square foot, find the surface area of a sphere that has a diameter of length 12.8 feet. Use the calculator value of 
.
A. 257.4 
B. 514.7
C. 549.0
D. 1098.1
Mathematics