Solve the problem.If v = 4i + j and w = -10i + j, find 
.
A. 14
B. 
C. 2
D. 3
Answer: C
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Solve the problem.A reservation clerk worked 12.15 hours one day. She spent twice as much time entering new reservations as she did verifying old ones and one and a half as much time calling to confirm reservations as verifying old ones. How much time did she spend entering new reservations?
A. 4.05 hours B. 10.8 hours C. 5.4 hours D. 2.7 hours
The function y = 1.6sin(t - 1.8) models the displacement of an object moving in simple harmonic motion, where y is measured in inches and t in seconds. Find the frequency of motion.
What will be an ideal response?
Find the exact value of the expression.tan 870°
A. - 
B. 
C. 1
D. - 
Use the properties of opposites to complete the equation.-(-4) = _____
A. 4 B. 0 C. -4 D. None of the above