Find the intersection.{a, b, c, d, e} ? {f, g, h, i, j}

A. {a, b, c, d, e}
B. ?
C. {e, f}
D. {a, b, c, d, e, f, g, h, i, j}

Answer: B

Mathematics

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Solve the problem.The sum of the percentages 31.542%, 17.467%, 22.42%, 12.861%, and 15.71% is 100.000%. Adjust the list so that there are no fractional parts. The following table shows the numbers truncated and the discarded portions.

A. 31%, 17%, 22%, 13%, 15% B. 31%, 17%, 22%, 12%, 16% C. 32%, 17%, 22%, 13%, 16% D. 32%, 18%, 22%, 13%, 16%

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Mathematics

Solve the problem.A plane flies 440 mi with the wind and 350 mi against the wind in the same length of time. If the speed of the wind is 27 mph, what is the speed of the plane in still air?

A. 262 mph B. 242 mph C. 237 mph D. 227 mph

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Mathematics

The average speed of a vehicle on a stretch of Route 134 between 6 a.m. and 9 a.m. on a typical weekday is approximated by the function

?
?
where is measured in miles per hour and is measured in hours, with corresponding to 6 a.m. Find the interval where is decreasing and the interval where is increasing.
?

A. is increasing on