Graph the polar equation.r2 = 15 sin 4?
A. 
B. 
C. 
D. 
Answer: D
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Given the premises marked A, B, and C and the conclusion, decide whether the argument is valid or invalid.A. All people who work for a living make money.B. All people who make money are happy.C. Some people who own pets are happy.Conclusion: Some people who own pets make money.
A. Invalid B. Valid
Make an approximate conversion as indicated. Round to the nearest tenth. The precise value of your approximation will depend on the conversion path that you choose.7 cm = ____ inches
A. 2.1 in. B. 17.8 in. C. 0.7 in. D. 2.7 in.
Solve the problem.A man rode a bicycle for 12 miles and then hiked an additional 8 miles. The total time for the trip was 5 hours. If his rate when he was riding a bicycle was 10 miles per hour faster than his rate walking, what was each rate?
A. Bike: 11.5 mph Hike: 1.5 mph B. Bike: 13 mph Hike: 3 mph C. Bike: 12 mph Hike: 2 mph D. Bike: 14.5 mph Hike: 4.5 mph
Suppose the two particles travel along the space curves
and
. A collision will occur at the point of intersection P if both particles are at P at the same time. Find the point of collision.
?
A. 
B. ?
C. ?
D. ?
E. ?