Answer the question.A list contains eleven different numbers. Five of the numbers are even and six of the numbers are odd. How many numbers must be selected to be sure that at least two of the numbers are odd?

A. 6 numbers
B. 5 numbers
C. 7 numbers
D. 8 numbers


Answer: C

Mathematics

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Solve the problem.In a certain memory experiment, subject A is able to memorize words at a rate given by In the same memory experiment, subject B is able to memorize at the rate given by  How many more words does subject B memorize from t = 0 to t = 18 (during the first 18 minutes)?

A. -17 B. 59 C. -6 D. 53

Mathematics

Find the value of the function.Given f(x) = , find f(-1).

A.
B. - 3
C. Undefined
D.

Mathematics

Refer to this figure to answer the question. Line DH is parallel to line IM. Line BO is perpendicular to line DH.  Choose the true statement.

A. m(?FEJ) + m(?JED) = 90° B. m(?FGL) = m(?GLM) C. m(?FGL) = m(?GLK) D. ?BFE and ?BFG are complementary.

Mathematics

Use NDER on a calculator to find the numerical derivative of the function at the specified point.f(x) = sin(5x) at x = 9

A. 850.8929 B. 2.6266 C. -850.8929 D. -2.6266

Mathematics