Find the dot product, u ? v, for the given vectors.u = 
, v = 
A. 126
B. 138
C. 147
D. -78
Answer: B
Mathematics
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Perform the indicated operation.-10 - 15
A. -5 B. -25 C. 5 D. 25
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Use the order of operations to simplify the expression.9.6 ? 16.3 + 5 ? 16.8
A. 2712.9 B. 962.9 C. 240.48 D. 3435.3
Mathematics
Solve the problem.Find the missing length in the following right triangle. If necessary, round to the nearest tenth. 
A. 40 mi B. 20 mi C. 6.3 mi D. 10 mi
Mathematics
Plot the two points given by the ordered pairs.A(-2, 0), B(0, 2)
A. 
B. 
C. 
D. 
Mathematics