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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Simplify.
What will be an ideal response?
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