Convert the given product to a single radical. Assume that all variables represent positive numbers. ? 

A.
B.
C.
D.


Answer: D

Mathematics

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Mathematics

Evaluate the function.If f(x) = -2x - 1, find f(7).

A. 15 B. 6 C. -15 D. -14

Mathematics

Select the representation that does not change the location of the given point.(-5, 6?)

A. (5, 5?) B. (-5, 5?) C. (-5, 7?) D. (5, 4?)

Mathematics

Use the given vectors to find the value of the indicated scalar.u = -5i + 3j, v = -8i - 6j, w = -3i + 12j; Find u ? w + v ? w.

A. 3 B. -1 C. 10 D. 8

Mathematics