Find the nth term {an} of the geometric sequence. When given, r is the common ratio.3, - , - , ...

A. an = 3 ? n + 1
B. an = 3 ? n-1
C. an = 3 ? n
D. an = 3 ? n-1


Answer: B

Mathematics

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A. -9 
B. 9 
C.
D.

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Write the expression in the standard form a + bi.

A.  + i
B.  - i
C.  - i
D.  + i

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Find the volume of a rectangular box with length L, width W, and height H.L = 4.2 cm, W = 4.3 cm, H = 6.2 cm

A. 111.972 cm3  B. 109.368 cm3 C. 165.292 cm3  D. 77.658 cm3 

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Determine whether the number is divisible by 2, 3, 4, 5, 6, 8, 9, and/or 10.171,349

A. None B. 5 C. 3, 5 D. 3

Mathematics