Multiply.1 ? 21
A. 1
B. 0
C. 21
D. 121
Answer: C
Mathematics
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Find the volume of the indicated region.the region common to the interiors of the cylinders 
and 
A. 
B. 1372
C. 
D. 
Mathematics
Describe the given set of points with a single equation or with a pair of equations.The set of points equidistant from the points (0, 0, -7) and (0, 0, 1)
A. x + y = -3 B. z = -3 C. z > -7 and z < 1 D. x + y = 0 and -7 < z < 1
Mathematics
Use Taylor series to evaluate the limit.
A. 
B. - 
C. - 
D. - 
Mathematics
Add in the indicated base.323 5 + 40 5
A. 4135 B. 4035 C. 4235 D. 3135
Mathematics