The temperature rose 18° in 1 hour and then dropped 11° in the next hour. Find the overall change in temperature.
?
A. +9°
B. +18°
C. 0°
D. +7°
E. -7°
Answer: D
Mathematics
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CompUSA's decline illustrates the point that
A. competitive advantage is a myth. B. success can be transitory. C. it is impossible to compete against Walmart. D. a company's brand and its financial performance are indistinguishable.
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Write the improper fraction as a mixed or whole number.
A. 3
B. 5
C. 4
D. 4
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Raise to the power or find the root. Assume that all variables represent positive numbers. Write with only positive exponents.5x-1/5(5x3 - x1/5)
A. 25x14/5 - 1 B. 25x14/5 - 5 C. 25x14/5 - x D. 25x14/5 - 5x
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Write a general term an for the sequence. Assume that n begins with 1.
, 
, 
, 
, 
, . . .
A. an = 
B. an = 
C. an = 
D. an = 
Mathematics