Find the magnitude.Let u = 
and v = 
. Find the magnitude (length) of the vector: 3u - v.
A. 
B. 85
C. 73
D. 
Answer: D
Mathematics
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Solve and check.
= 8 - 
A. x = 6
B. x = 5
C. x = 
D. x = 
Mathematics
Solve the equation for the indicated variable.P = 2L + 2W, for L
A. L = P - 2W
B. L = 
C. L = P - W
D. L = 
Mathematics
Subtract.9 - (-17)
A. -26 B. 8 C. -8 D. 26
Mathematics
Factor completely. If the polynomial is prime, then state this as your answer.10x4 + 10x3 - x2 - x
A. x(10x2 - 1)(x - 1) B. x(10x2 - 1)(x + 1) C. (10x3 - x)(x + 1) D. (10x3 - 1)(x + 1)
Mathematics