Solve the problem.The temperature at the South Pole was 35° at 8 A.M. At 3 P.M., it was -12°. By how many degrees did the temperature drop?
A. -23°
B. 47°
C. -47°
D. 23°
Answer: B
Mathematics
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Solve the equation.546 = n ? 13
A. n = 7098 B. n = 533 C. n = 546 D. n = 42
Mathematics
Find the inverse of the function.f(x) =
A. f-1(x) =
B. f-1(x) =
C. f-1(x) =
D. Not a one-to-one function
Mathematics
Answer the question.The following table gives the electricity usage in kilowatt-hours (kwh) for the Peters family for the first six months of 2001.What is the average electricity usage for the months February through May?
A. 964.665 kwh B. 961.885 kwh C. 960.857 kwh D. 963.875 kwh
Mathematics
Combine. Assume that all variables represent non-negative real numbers. -
A. 3 - 4
B. 4 - 3
C. 7
D. 3 - 4
Mathematics