Georgi ran a mile in 4 minutes and 18 seconds.

(a) How fast did she run in miles per hour?
(b) How fast did she run in miles per minute?
(c) How fast did she run in kilometers per hour? (Remember there are 0.6214 miles in one
kilometer)


(a) 13.95 miles per hour
(b) .23 miles per minute
(c) 22.45 kilometers per hour

Mathematics

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Determine if the geometric series converges or diverges. If it converges, find its sum.1 +  +  2+  3 +  4 + . . .

A. converges, 
B. diverges
C. converges, 
D. converges, 3

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Use the shell method to find the volume of the solid generated by revolving the shaded region about the indicated line.About the line y = 2x = 6 (solid)

A. ?
B. ?
C. ?
D. 6?

Mathematics

Find the region that contains ordered pairs that are solutions to both inequalities.x + 2y ? 2 and x - y ? 0

A.

B.

C.

D.

Mathematics

Factor the polynomial completely.x2 - y2 + 10y - 25

A. (x + y - 5)(x - y - 5) B. (x - y - 5)(x - y + 5) C. (x + y - 5)(x - y + 5) D. (1 - 5)(x + y)(x - y)

Mathematics