Use the given vectors to find the specified scalar.u = 7i + 9j and v = -14i - 7j; Find u ? v.

A. -98
B. -63
C. -35
D. -161


Answer: D

Mathematics

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A. -13x - 2y + 5 B. 13x - 2y + 5 C. -13x - 12y + 5 D. 13x - 12y + 5

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Evaluate the function at the given value of x.f(x) = 9 - 3x2, f(-5)

A. 24 B. -66 C. 84 D. 39

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Identify the number as prime, composite, or neither.1

A. Composite B. Neither C. Prime

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Simplify by finding the absolute value.-

A. - 
B. - 4
C.
D. 4

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