Use the vectors u, v, w, and z head to tail as needed to sketch the indicated vector. 
2u - z - w 
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Determine if the given polar coordinates represent the same point.(8, ?/6), (-8, 7?/6)
A. No B. Yes
Mathematics
Evaluate the integral.
A. 
B. 
C. 
D. 
Mathematics
Use the line graph to answer the question.The line graph shows the 2001 sales data for the Big "D" company. 
Which month had the lowest sales?
A. Month 7 B. Month 3 C. Month 5 D. Month 2
Mathematics
Solve the problem.Three solutions of the equation Ax + By + Cz = 4 are given. Use a system of three equations in three variables to find the constants and write the equation.(-7, 6, -51), (7, -6, 47), (5, -7, 42.5)
A. A = 8; B = 7; C = 2; 8x + 7y + 2z = 4 B. A = 8; B = -7; C = -2; 8x - 2y + 7z = 4 C. A = 8; B = -7; C = -2; 8x - 7y - 2z = 4 D. A = 8; B = -7; C = -2; 8x - 2y - 7z = 4
Mathematics