Simplify the expression.
? 
A. 27
B. 9
C. 3
D. 5
Answer: C
Mathematics
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Find the curvature ? for the given function.r(t) = -3i + (10 + 2t)j + (t2 + 4)k
A. ? = - 
B. ? = 
C. ? = 
D. ? = 
Mathematics
The transformation that takes a point (a, b) to the point (a - 2, b + 1) is:
(a) A reflection about the line y + 1 = x - 2. (b) A translation through the vector (-2, 1). (c) A similitude with scale factor -2. (d) A rotation of 90° .
Mathematics
Provide an appropriate response.Is 
the same as 
? Explain and give an example.
What will be an ideal response?
Mathematics
Solve.5x2 - 5y2 = 45 4x2 + y2 = 36
A. (-3, -6
), (-3, 6
), (3, -6
), (3, 6
)
B. (-3, 0), (3, 0)
C. (0, -3), (0, 3)
D. (-3, 6
), (3, 6
)
Mathematics