Solve.How long will it take for the population of a certain country to double if its annual growth rate is ? Round to the nearest year.

A. 74 yr
B. 26 yr
C. 1 yr
D. 11 yr


Answer: B

Mathematics

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Find the area of the surface generated by revolving the curve about the indicated axis.  y = , 3/2 ? x ? 9/2; x-axis

A.  ?
B.  ?
C. ?
D. ?

Mathematics

Graph the system of inequalities. Shade the region that represents the solution set.x2 - y? 7x + y< 3

A.

B.

C.

D.

Mathematics

Find the amount that will be in an account, given the stated conditions.P = $5733.83, t = 4, r = 5% compounded monthly

A. $6994.64 B. $7000.41 C. $6969.51 D. $6986.12

Mathematics

Simplify.

A. 8x(x + 8) B. x + 8 C. -(x + 8) D. -(x - 8)

Mathematics