Solve the problem.In how many ways can a class president and a class secretary be chosen from a group of 4 candidates?

A. 12
B. 24
C. 8
D. 7

Answer: A

Mathematics

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Reduce the fraction by finding a common factor in the numerator and in the denominator and dividing by the common factor.

A.
B.
C.
D.

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Graph. -  = 1

A.

B.

C.

D.

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Graph.f(x) = 4-x

A.

B.

C.

D.

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Graph the ellipse. +  = 1

A.

B.

C.

D.

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