Solve the equation over the interval [0, 2?).sin 2x + sin x = 0
A. ?
B. 
C. 
D. 
Answer: C
Mathematics
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Classify the triangle as acute, obtuse, or right.
A. right B. acute C. obtuse
Mathematics
Solve the problem by using three variables.In triangle ABC, the measure of angle B is 5° more than three times the measure of angle A. The measure of angle C is 15° more than the measure of angle A. What is the measure of Angle C?
A. 53° B. 49° C. 45° D. 47°
Mathematics
Find the annual amount of depreciation using the units-of-production method. Round to the nearest dollar.Depreciation per unit: $0.36Units of production: 23,000
A. $8,280 B. $639 C. $828 D. $6,389
Mathematics
Find the length of the line segment.
A. 8
B. 32
C. 32
D. 2
Mathematics