Multiply. 

A. y2 - 6
B. y2 + y - 9
C. y2 - 9
D. y2 - y - 9

Answer: C

Mathematics

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Find the multiplicative inverse of the number.-23

A. 23
B.
C. 1
D. - 

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Solve the problem.Construct a product table showing all possible two-digit numbers using digits from the set {1, 2, 6, 7}. List the square numbers in the table.

A. {4, 9} B. {16, 22} C. {16} D. none

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Determine whether the triangles in the given pair are congruent. If so, state the property that shows the triangles are congruent.

A. congruent; ASA B. congruent; SAS C. not congruent D. congruent; AAS

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Find the perimeter of the figure.

A. 18
B. 15
C. 18 + 3
D. 15

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