Convert the units using unit fractions.2 ft =   in.

A. 29
B. 33
C.
D.


Answer: B

Mathematics

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Graph the integrand and use geometry to evaluate the integral.

A. 91 B. 182 C. 217 D. 133

Mathematics

Reduce the rational number to its lowest terms.

A.
B.
C.
D.

Mathematics

Solve the problem.In a survey of 1000 Americans, 850 said that they own a cell phone. Assume that the survey was properly conducted and that the 1000 people surveyed represent an unbiased sample of the entire population. Estimate the standard error for this survey.

A. ? 12.75% B. ? 11.1% C. ? 0.1% D. ? 1.1% E. ? 11.3%

Mathematics

Solve the problem.Suppose the supply and demand for a certain videotape are given by: supply: p = q2; demand: p = - q2 + 37where p is price and q is quantity.How many videotapes are demanded at a price of $22? 

A. About 11 videotapes B. About 8 videotapes C. About 10 videotapes D. About 9 videotapes

Mathematics