Find the circumference of the circle with the given radius or diameter.d = 19.5 ft
A. 123 ft
B. 61.26 ft
C. 61.3 ft
D. 122.5 ft
Answer: C
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Solve the problem.On the June 4 billing date, Maria had a balance due of $1956.47 on her 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 balance due on July 4 (June has 30 days).
A. $1849.92 B. $2107.05 C. $2107.16 D. $2247.41
Solve the problem.A gas station sells 4820 gallons of regular unleaded gasoline in a day when they charge $1.35 per gallon, whereas they sell 3895 gallons on a day that they charge $1.40 per gallon. Find a linear function that expresses gallons sold as a function of price. Use this function to predict the number of gallons sold at a price of $1.28 per gallon.
A. 6111.7 gallons B. 6115 gallons C. 6124 gallons D. 6119.1 gallons
Solve the problem.A wheel is rotating at 2 radians/sec, and the wheel has a 47-inch diameter. To the nearest foot, what is the speed of a point on the rim in ft/min?
A. 225 ft/min B. 240 ft/min C. 235 ft/min D. 230 ft/min
Decide whether the relation is a function.{(-1, -3), (3, 9), (5, -5), (7, 8), (12, -3)}
A. Function B. Not a function