Simplify the expression using the quotients-to-powers rule.
-2
A. 
B. x2y12
C. 
D. 
Answer: B
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Solve the problem.A basketball player shoots the ball with a velocity of 15.4 ft/s at an angle of 37.9° with the horizontal. To the nearest tenth, find the magnitude of the horizontal component of the resultant vector.
A. 9.5 ft/s B. 12.2 ft/s C. 6.1 ft/s D. 4.8 ft/s
Solve the problem.In the following voter profile, use the Pairwise Comparison Method to determine the winner. If candidate c drops out, and a second election is held, who is the winner if the Pairwise Comparison Method is again used? Does the Pairwise Comparison Method violate the Independence of Irrelevant Alternatives Criterion in this election process? 
A. a; a, no B. b; a, yes C. a; b, yes D. b; b, no
Solve the problem.Let u = 3i, v = i + j. Find 6u + v.
A. 19i + j B. i + 19j C. 19i + 6j D. 11i + j
Graph the function.y = -3 cos x
A. 
B. 
C. 
D. 