Insert "?" or "?" in the blank to make the statement true.{5, 7, 9}    {x | x is an odd counting number}

A. ?
B. ?


Answer: A

Mathematics

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Answer the question.f(x) = Does  f(x) = f(-1)?

A. No B. Yes

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Find the probability.An urn contains balls numbered 1 through 20. A ball is chosen, returned to the urn, and a second ball is chosen. What is the probability that the first and second balls will be a 6?

A.
B.
C.
D.

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Given that DB ? AC and B is the midpoint of AC; prove that ?ABD ? ?CBD.

Mathematics

Solve. - 4 = x

A. 7 B. -6 C. 6 D. -7

Mathematics