Determine whether the sequence is arithmetic.
, 
, 
, 
, 
, . . .
A. Arithmetic
B. Not arithmetic
Answer: B
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Use a calculator to approximate the number. (Round your answer to three decimal places.)
?
A. 2.828 B. 256.000 C. 8.000 D. 16.000 E. 68.000
Write a system of two inequalities that describe the constraints in the problem.An office manager needs to buy new filing cabinets. Cabinet A costs $6, takes up 5 square feet of floor space, and holds 7 cubic feet of files. Cabinet B costs $8, takes up 8 square feet, and holds 14 cubic feet. He has only $66 to spend and the office has room for no more than 59 square feet of cabinets. Let x equal the number of cabinet A's bought and y equal the number of cabinet B's bought.
A. 6y + 8x ? 66, 5y + 8x ? 59 B. 7x + 14y ? 59, 59x + 66y ? 8 C. 6x + 8y ? 66, 5x + 8y ? 59 D. 7y + 14x ? 59, 59y + 66x ? 8
Write an equation for the parabola.
A. (y - 2)2 = -12(x + 3) B. (x - 3)2 = -12(y + 2) C. (x - 2)2 = -12(y + 3) D. (x + 3)2 = 12(y - 2)
Simplify the expression by combining like terms.7x - 11x - x
A. -4x B. -4x - x C. -3x D. -5x