Find projv u.v = k, u = 6i + 9j + 2k
A. 
i + 
j + 
k
B. 
i + 
j + 
k
C. 2k
D. 
k
Answer: C
Mathematics
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Perform the indicated operations.(8x3 + 2x2) - (7x2 - 5x -1) - (6x3 + x - 5)
A. 14x3 - 9x2 + 4x - 6 B. 2x3 - 3x2 - 4x + 6 C. 2x3 - 5x2 + 4x + 6 D. 2x3 + 5x2 + 6x - 6
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Divide.319.01 ÷ 0.02 (Round to the nearest thousandths when necessary.)
A. 1595.1 B. 1595.05 C. 15,951 D. 15,950.5
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Solve the equation.ln (10 + 2x) = 2 ln (x + 1)
A. {3, -3}
B. 
C. {-3}
D. {3}
Mathematics
Solve the equation for the specified variable.Solve for b. A = 
h(B + b)
A. b = 
B. b = 2A - Bh
C. b = 
D. b = 
Mathematics