Write the standard form of the equation of the circle.Center (5, 3), r = 9
A. (x + 5)2 + (y + 3)2 = 9
B. (x - 5)2 + (y - 3)2 = 81
C. (x - 5)2 + (y - 3)2 = 9
D. (x + 5)2 + (y + 3)2 = 81
Answer: B
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Solve the problem.On the July 5 billing date, David had a balance due of $857.86 on his credit card. The transactions during the following month were: 
The interest rate on the card is 1.8% per month. Using the average daily balance method, find the finance charge on August 5 (July has 31 days).
A. $13.37 B. $14.08 C. $13.91 D. $13.89
Solve the triangle.a = 8, b = 5, c = 4
A. A = 30.8°, B = 24.1°, C = 125.1° B. A = 125.1°, B = 30.8°, C = 24.1° C. A = 30.8°, B = 125.1°, C = 24.1° D. A = 125.1°, B = 24.1°, C = 30.8°
Use the LCD to simplify and solve.
x - 
x = 4
A. {40} B. {80} C. {-40} D. {-80}
Solve the problem.A cabin cruiser travels 20 miles in the same time that a power boat travels 40 miles. The cruiser travels 5 mph slower than the power boat. Find the speed of each boat.
A. Power boat travels 15 mph and cruiser travels 10 mph. B. Power boat travels 10 mph and cruiser travels 5 mph. C. Power boat travels 20 mph and cruiser travels 15 mph. D. Cannot be determined with information given.