Solve the problem.The region between the curve y =  and the x-axis from  to  is revolved about the y-axis to generate a solid. Find the volume of the solid.

A. 4? ln 5
B. 2? ln 5 - ?
C. 2? ln 5
D. ? ln 5 - ?


Answer: A

Mathematics

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Provide an appropriate response.In oblique triangle ABC, find the area, given the indicated parts. Round to tenths. Side a = 10, side b = 8, side c = 5.

Fill in the blank(s) with the appropriate word(s).

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Solve the problem.Jill is 13.5 kilometers away from Joe. Both begin to walk toward each other at the same time. Jill walks at 2 km/h. They meet in 3 hours. How fast is Joe walking?

A. 2.5 km/h B. 3.5 km/h C. 2 km/h D. 4.5 km/h

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Solve. Write the answer as a mixed number in simplest form.Ellen is knitting a scarf with one 7 -inch blue stripe, one 3 -inch green stripe, and one 1 -inch white stripe. How wide is the scarf?

A. 12 in.
B. 2 in.
C.  in.
D.  in.

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Graph the polynomial function. ? ?

A.
B.
C.
D.

Mathematics