Find the angle between vectors v and w. Round the answer to the nearest tenth of a degree.v = 
, w = 
A. 31.3°
B. 77.7°
C. 121.3°
D. 58.7°
Answer: D
Mathematics
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Find the product.75% of 400
A. 30 B. 300 C. 3000 D. 3
Mathematics
Find the probability of the compound event.Urn A has balls numbered 1 through 7. Urn B has balls numbered 1 through 5. What is the probability that a 4 is drawn from A followed by a 2 from B?
A. 
B. 
C. 
D. 
Mathematics
Subtract.9 - 
A. 
B. 
C. 
D. 
Mathematics
Solve by any method. If there is not one solution to a system, state why. x + 5y = -164x + 4y = 0
A. (3, -3) B. (-4, -3) C. (4, -4) D. (3, -4)
Mathematics