Describe the graph of the polar equation.r cos ? = 13
A. Circle centered at origin with radius 13
B. Horizontal line through (0, 13)
C. Line with slope 13 passing through the origin
D. Vertical line through (13, 0)
Answer: D
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Solve the problem.The driver of a car traveling at 36 ft/sec suddenly applies the brakes. The position of the car is 
t seconds after the driver applies the brakes. How many seconds after the driver applies the brakes does the car come to a stop?
A. 12 sec B. 18 sec C. 6 sec D. 36 sec
Use the unit circle to determine the value of the given expression or state that it is undefined.tan (390°)
A. 
B. 
C. - 
D. 
Solve the problem. Round rates to the nearest whole percent and dollar amounts to the nearest cent.The Galerie d'Art paid $138.60 for a limited edition Graux print. The original selling price was $180.18, but this was marked down 25% to make room for incoming pieces. If operating expenses are 28% of cost, find the operating loss and the absolute loss.
A. operating loss: $45.04 absolute loss: $3.46 B. operating loss: $42.27 absolute loss: $3.46 C. operating loss: $42.27 absolute loss: $45.04 D. operating loss: $3.46 absolute loss: $42.27
Factor the trinomial completely, or state that the trinomial is prime.24x2 + 44x + 12
A. 4(3x + 1)(2x - 3) B. 4(3x + 1)(2x + 3) C. 4(3x + 1)(2x + 12) D. (3x + 1)(2x + 3)