Solve graphically to two decimal places using a graphing calculator.1.3x2 - 2.1x - 3.2 > 0
A. x < -0.96 or x > 2.57
B. x < -2.57 or x > 0.96
C. -2.57 < x < 0.96
D. -0.96 < x < 2.57
Answer: A
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Which category in 2006 represents the greatest increase?
A. Decorations B. Publicity C. Supplies D. Postage
Use the substitution method to solve the system.-6x + 7y = -36-4x - 2y = -24
A. (6, 1) B. (6, 0) C. (5, 1) D. No solution
Solve.A Ferris wheel has a radius r of 25.7 feet. The height of the tower t is 36.6 feet. The distance d from the origin to the base is 25.9 feet. Find the standard form equation of the circle represented by the Ferris wheel. 
A. (x - 25.9)2 + (y - 36.6)2 = 25.7 B. (x + 25.9)2 + (y + 36.6)2 = 660.49 C. (x - 25.9)2 + (y - 36.6)2 = 660.49 D. (x + 25.9)2 + (y + 36.6)2 = 25.7
Solve the problem.The Cool Company determines that the supply function for its basic air conditioning unit is 
and that its demand function is 
, where p is the price. Determine the price for which the supply equals the demand.
A. $22.36 B. $22.86 C. $21.36 D. $21.86