Use the commutative and associative properties to simplify the expression.-3(5y)

A. -15 + y
B. 2y
C. -15y
D. 15y


Answer: C

Mathematics

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A. 64°75' B. 64°15' C. 64°25' D. 64°50'

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Solve the problem.Check whether the sequence is arithmetic. If the sequence is arithmetic, find the common difference d.5, -15, 45, -135, 405, ...

A. arithmetic, d = 5 B. not arithmetic

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Solve the double inequality.13 <  < 15

A. -  < x <  
B.  < x <  
C. -  < x <  
D. -  ? x ?  

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Find the slope of the line through the given pair of points.(9, -4), (5, -4)

A. 0 B. -4 C. 4 D. undefined

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