Solve the inequality. Express your answer using interval notation. Graph the solution set. ? 2 + 

A. [-9, ?)

B. (9, ?)

C. (-?, 9]

D. [9, ?)


Answer: D

Mathematics

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Solve the problem.An auxiliary fuel tank for a helicopter is shaped like the surface generated by revolving the curve  - 5 ? x ? 5, about the x-axis (dimensions are in feet). How many cubic feet of fuel will the tank hold to the nearest cubic foot?

A. 8 B. 17 C. 21 D. 5

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Use the ordinary annuity formula to determine the accumulated amount in the annuity. Round the answer to the nearest cent.$150 is invested quarterly for 8 years at 8% compounded quarterly

A. $7334.17 B. $6634.05 C. $12,634.18 D. $7034.07

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Solve by the quadratic formula. Simplify answers. Use i notation for nonreal complex numbers.x2 + x + 2 = 0

A. x = 
B. x = 
C. x = 
D. x = 

Mathematics

Solve.Find the simple interest when: Principal = $240, Rate = 13.5%, Time = 5 years.

A. $1620.00 B. $162.00 C. $32.40 D. $324.00

Mathematics