Add or subtract as indicated.(-7x2y2 - 11y4) + (9x2y2 + 15y4)
A. -63x4y4 - 165y8
B. 2x4y4 + 4y8
C. 2x2y2 + 4y4
D. 2x2y2 - 4y4
Answer: C
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Solve the problem.Which of the following is a gnomon to a disk of radius 5?
A. A circular disk of radius 10 B. A circular ring with inner radius 5 and outer radius 10 C. A circular disk of radius 5 D. Circular disks of radius 5 do not have gnomons E. A circular ring with inner radius 1 and outer radius 5
Find the volume of the solid, rounded to the nearest integer where appropriate.Frustum of a pyramid
A. 30,855 cm3 B. 45,375 cm3 C. 52,635 cm3 D. 3630 cm3
Solve the problem. Round your answer to the nearest tenth, if necessary.A man rode a bicycle for 12 mi and then hiked an additional 8 mi. The total time for the trip was 5 hr. If his rate when he was riding a bicycle was 10 mph faster than his rate walking, what was each rate?
A. Bike: 13 mph; hike: 3 mph B. Bike: 12 mph; hike: 2 mph C. Bike: 14.5 mph; hike: 4.5 mph D. Bike: 11.5 mph; hike: 1.5 mph
Find the domain of the rational function.R(x) = 
A. 
B. 
C. 
D. 