Determine the center and the radius of the circle.x2 + y2 - 8x - 6y + 21 = 0
A. (4, -3), r = 2
B. (-4, -3), r = 2
C. (4, 3), r = 2
D. (-4, 3), r = 2
Answer: C
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Solve the problem.Miguel invests his money in a savings account which gives an effective annual yield of 2.14%. The nominal rate is 2.12%. How often does compounding occur - daily, monthly, quarterly, or semiannually?
A. monthly B. quarterly C. semiannually D. daily
Find decimal notation.11.8%
A. 0.008 B. 0.0118 C. 0.118 D. 1.18
Solve the problem.An airline with two types of airplanes, P1 and P2, has contracted with a tour group to provide transportation for a minimum of 400 first class, 750 tourist class, and 1500 economy class passengers. For a certain trip, airplane P1 costs $10,000 to operate and can accommodate 20 first class, 50 tourist class, and 110 economy class passengers. Airplane P2 costs $8500 to operate and can accommodate 18 first class, 30 tourist class, and 44 economy class passengers. How many of each type of airplane should be used in order to minimize the operating cost?
A. 7 P1 planes and 11 P2 planes B. 9 P1 planes and 13 P2 planes C. 11 P1 planes and 7 P2 planes D. 20 P1 planes and 0 P2 planes
Round the number to the given place value.In a town in Nebraska, the average consumption of soft drinks per day per elementary school student is 15.616 ounces. Round this value to the nearest tenth.
A. 15.6 ounces B. 16 ounces C. 15.62 ounces D. 15.7 ounces