Solve the inequality. Express your answer using interval notation.-36x - 30 ? -6(5x + 2)

A. [-3, ?)

B. (-?, -3)

C. (-?, -3]

D. [-3, ?)


Answer: D

Mathematics

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Solve the problem.A 200 gal tank is half full of distilled water. At time = 0, a solution containing 1 lb/gal of concentrate enters the tank at the rate of 4 gal/min, and the well-stirred mixture is withdrawn at the rate of   When the tank is full, how many pounds of concentrate will it contain?

A. 150 pounds B. 120 pounds C. 100 pounds D. 200 pounds

Mathematics

Convert as indicated.51.4 mm to decimeters

A. 5140 dm B. 5.14 dm C. 0.514 dm D. 514 dm

Mathematics

Simplify the radical. Assume that all variables represent nonnegative real numbers. 

A. 4x2 
B. 4x
C. 4xy
D. 4xy2 

Mathematics

Factor completely. If the polynomial cannot be factored, say it is prime.4x2 - 8x - 16x + 32

A. 4(x + 2)(x + 4) B. 4(x - 2)(x - 4) C. (x - 2)(4x - 16) D. (x - 2)(x - 4)

Mathematics