Multiply to find the exact answer. Express the answer as a whole or mixed number when possible and simplify.8 ? 2
A. 10
B. 16
C. 23
D. 23
Answer: C
Mathematics
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Set up the iterated integral for evaluating 
over the given region D. DD is the right circular cylinder whose base is the circle 
in the xy-plane and whose top lies in the plane 
.
A. 
B. 
C. 
D. 
Mathematics
Decide whether or not the given equation is an identity.2 sin2 
- cos ? = 1
A. Yes B. No
Mathematics
Solve.The foundation for a cylindrical fountain is a cylinder with a diameter of 14 m and 4 m high. How many cubic m of concrete are needed to build the foundation? Use 3.14 as the approximate value of ?.
A. 615.44 m3 B. 1230.88 m3 C. 2461.76 m3 D. 351.68 m3
Mathematics
Identify the following as a proper fraction, improper fraction, or a mixed number.2
A. improper fraction B. proper fraction C. mixed number
Mathematics