Find the vector projv u.v = 2i - 2j - 4k, u = 5i - 12k
A. 
i - 
k
B. 
i - 
j - 
k
C. 
i - 
k
D. 
i - 
j - 
k
Answer: D
Mathematics
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Write the expression in terms of sines and/or cosines, and then simplify.
A. 
B. 
C. 
D. cos x - sin x
Mathematics
Find the present value of the given annuity. Round to the nearest cent.Payments of $19,000 made annually for 10 years at 6% compounded annually
A. $139,841.65 B. $145,391.80 C. $150,816.30 D. $123,072.50
Mathematics
Evaluate the expression.(-4)-1
A. -4
B. - 
C. 
D. 4
Mathematics
Write the expression in the standard form a + bi.-6i(-4 + 7i)
A. 42 + 24i B. -42 + 24i C. 24i + 42i2 D. 24i - 42i2
Mathematics