Graph the parabola or ellipse. Include the directrix that corresponds to the focus at the origin.r = 
A. 
B. 
C. 
D. 
Answer: D
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Use the real estate amortization table to find the monthly payment for the loan.
What is the monthly payment on a 15-year loan of $93,900 if the annual interest rate is 7%?
A. $844.16 B. $727.73 C. $870.45 D. $750.26
Find the indicated probability.The table below shows the soft drink preferences of people in three age groups.
If one of the 255 subjects is randomly selected, find the probability that the person is over 40 years of age.
A. 
B. 
C. 
D. 
How many distinguishable permutations of letters are possible in the word?LOOK
A. 4 B. 24 C. 12 D. 16
Solve the problem.A can in the shape of a right circular cylinder is required to have a volume of 700 cubic centimeters. The top and bottom are made up of a material that costs 8¢ per square centimeter, while the sides are made of material that costs 5¢ per square centimeter. Which function below describes the total cost of the material as a function of the radius r of the cylinder?
A. C(r) = 0.16?r2 + 
B. C(r) = 0.08?r2 + 
C. C(r) = 0.16?r2 + 
D. C(r) = 0.08?r2 + 