Describe the graph of the polar equation. 8r cos ? + r sin ? = 5
A. Vertical line passing through (8, 0)
B. Parabola with vertex (8, 5) opening upward
C. Line with slope -8 and y-intercept (0, 5)
D. Line with slope 5 and y-intercept (0, 8)
Answer: C
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If a cylindrical tank holds 10000 gallons of water, which can be drained from the bottom of the tank in an hour, then Torricelli's Law gives the volume of water remaining in the tank after t minutes as
Find the rate at which the water is flowing out of the tank (the instantaneous rate of change of V with respect to t) as a function of t.
Use the information in the table to solve the problem. Write your answer as a fraction in lowest terms.The table below shows the amounts of pollutants (in parts per million) in a sample of rainwater.
Find the ratio of pollutant A to pollutant B.
A. 
B. 
C. 
D. 
Find the values of x and y.
= 
A. x = 3, y = 2 B. x = 2, y = 3 C. x = 2, y = 2 D. x = 3, y = 3
Solve.In preparation for his new job, Bryan bought two suits at $174 a piece, six shirts at $26 a piece, two pairs of shoes at $65 a piece, four ties at $24 a piece, and five pairs of socks at $7 a piece. What was the total cost of these items?
A. $730 B. $782 C. $296 D. $765