For the given vectors u and v, calculate u ? v.u = 
, v = 
A. 2
B. 1
C. -2
D. 3
Answer: A
Mathematics
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Use the data to complete the table.The following is the number of bonus points that 24 students have received for extra work. 
A. Frequency: 2, 6, 4, 7, 3, 2 B. Frequency: 2, 5, 6, 6, 3, 2 C. Frequency: 2, 6, 5, 5, 4, 2 D. Frequency: 2, 6, 5, 6, 3, 2
Mathematics
Graph the inequality.x > -8 
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.A race track is 506 meters long. If a driver goes around the race track twice, how many kilometers did the driver travel?
A. 506,000 km B. 0.506 km C. 1,012,000 km D. 1.012 km
Mathematics
Solve the compound inequality and graph the solution set on a number line. Except for the empty set, express the solution set in interval notation.x + 6 < 3 and -6x < -6
A. ?
B. (-3, 1)
C. (-?, -3)
D. (-?, -3) ? (1, ?)
Mathematics