Solve the problem.Yvonne decided to drive home from college to visit her family during Spring Break. Her odometer read 12,754 when she started the trip and 14,091 when she arrived home. She started and ended the trip on a full tank of gas. She made gas purchases of 12.3 gallons, 10.8 gallons, 11.6 gallons and 11.1 gallons for the car during the trip. How many miles per gallon did the car get on the trip?
A. 29
B. 14.6
C. 586
D. 0.03
Answer: A
Mathematics
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Find the standard deviation. Round to one more place than the data.2, 6, 15, 9, 11, 22, 1, 4, 8, 19
A. 7.1 B. 6.8 C. 6.3 D. 2.1
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Convert the equation to the standard form for a parabola by completing the square on x or y as appropriate.x2 + 2x - 7y + 36 = 0
A. (x - 1)2 = 7(y - 5) B. (x + 1)2 = 7(y - 5) C. (x + 1)2 = 7(y + 5) D. (x - 1)2 = -7(y - 5)
Mathematics
Solve the mixture problem.It is necessary to have a 40% antifreeze solution in the radiator of a certain car. The radiator now has 20 liters of 20% solution. How many liters of this should be drained and replaced with 100% antifreeze to get the desired strength?
A. 5 L B. 10 L C. 6.7 L D. 8 L
Mathematics
Write as a fraction or as a mixed number33
%
A. 
B. 
C. 3
D. 
Mathematics