Find the median of the list of data.8.7 hr, 6.7 hr, 2.9 hr, 6.9 hr

A. 6.7 hr
B. 6.8 hr
C. 2.9 hr
D. 6.9 hr


Answer: B

Mathematics

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Solve the problem.Find a curve through the origin in the xy-plane whose length from x=0 to x=1 is 

A. y = x2
B. y = ex -1
C. y = ex/2 - 
D. y = ex/2

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Find the volume of the solid generated by revolving the region about the given axis. Use the shell or washer method.The region bounded by y = 8, y = 8, and x = 0 about the line x = 1

A. ?
B. ?
C. ?
D. ?

Mathematics

Find the area of the polygon.Square

A. 118.58 sq cm B. 30.8 sq cm C. 15.4 sq cm D. 59.29 sq cm

Mathematics

List the elements of the given set that are rational numbers.

Mathematics