Simplify the rational expression.
A. 
B. 2x2 - 20
C. 2x - 4
D. 
Answer: C
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The line graph shows the recorded hourly temperatures in degrees Fahrenheit at an airport. 
At what time was the temperature 73°?
A. 10 a.m. B. 5 p.m. C. 10 a.m. and 11 a.m. D. 9 a.m.
Rewrite the expression in the form A sin(x + C).4 sin x - 4 cos x
A. 4 sin 
B. 4
sin 
C. 16 sin 
D. 4 sin 
Solve the application.Scott set up a volleyball net in his backyard. One of the poles, which forms a right angle with the ground, is 7 feet high. To secure the pole, he attached a rope from the top of the pole to a stake 11 feet from the bottom of the pole. Approximate the length of the rope to the nearest tenth of a foot, if necessary.
A. 13 ft. B. 8.5 ft. C. 170 ft. D. 4.2 ft.
Specify the center and radius of the circle.x2 - 12x + y2 + 12y + 56 = 0
A. center: (6, -6); radius: 4 B. center: (-6, 6); radius: 16 C. center: (6, -6); radius: 16 D. center: (-6, 6); radius: 4