Choose the answer which is equivalent to the given radical.
A. 3
B. -3, 3
C. Not a real number
D. 9
Answer: A
Mathematics
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Provide an appropriate response.If f(x, y, z) is differentiable, x = r - s, y = s - t, and z = t - r, show that 
What will be an ideal response?
Mathematics
Sketch the graph of the line with the given equation.-4y = x - 2
A. 
B. 
C. 
D. 
Mathematics
Use the given vectors to find the indicated expression.v = 5i + 3j + 5k, w = -3i + 5j - 3k, u = 4i + 2j - 5kFind w ? (v × u).
A. 0 B. 206 C. 306 D. 386
Mathematics
Find the difference.12 - (-4)
A. 8 B. -16 C. 16 D. -8
Mathematics