Find the volume. Use ? ? 3.14. Round to the nearest tenth when necessary.a cylinder with radius 8 in. and height 8 in.

A. 201 in.3
B. 401.9 in.3
C. 1607.7 in.3
D. 6430.7 in.3


Answer: C

Mathematics

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Perform the operation and reduce to lowest terms. ×  × 

A.
B.
C.
D.

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The graph of either a cubic or quartic polynomial f(x) with leading coefficient ±1 and integer zeros is shown. Write the complete factored form of f(x).

A. f(x) = (x + 3)2(x - 2) B. f(x) = -(x + 3)2(x - 2) C. f(x) = (x - 3)2(x + 2) D. f(x) = -(x - 3)2(x + 2)

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Establish the identity.sec  = -csc u

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Mathematics

Suppose that in a certain culture, the equation expresses the number of bacteria present as a function of the time t, where t is expressed in hours. How many bacteria are present at the end of 2 hours?The choices are rounded to the nearest whole. 

A. 5,564 bacteria B. 6,009 bacteria C. 890 bacteria D. 824 bacteria E. 2,226 bacteria

Mathematics