Use the given vectors to find the value of the indicated scalar.u = -4i + 5j and v = -5i - 6j; Find u ? v.
A. 20
B. -10
C. 50
D. -30
Answer: B
Mathematics
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A. 114 = 0 B. 141 = 0 C. 140 = 1 D. 014 = 1
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Multiply.8(x + 2 + 9y)
A. 8x + 16 + 72y B. 8x + 16 + 9y C. x + 16 + 72y D. 8x + 2 + 9y
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Decide whether the statement is true or false.If one lateral face of a prism is not bounded by a rectangle, it is an oblique prism.
A. True B. False
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Solve the equation.
= 3 - 
A. 
B. 4
C. 5
D. 
Mathematics