Solve the problem.Matt bought 3 pounds of oranges and 2 pounds of apples and paid  before tax. Andy bought 4 pounds of oranges and 3 pounds of apples and paid  before tax. Use this information to set up a matrix equation of the form AX = B , which can be solved to determine the price per pound for oranges and apples. Solve this matrix equation to find the price per pound of oranges.Use the fact that for   

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A. $0.74 per pound
B. $0.76 per pound
C. $0.79 per pound
D. $0.72 per pound

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Answer: B

Mathematics

Solve the problem.When flying the great-circle route from Fairbanks, Alaska ( latitude 64.8° north, longitude 147.85° west) to St. Petersburg, Russia (latitude 59.91° north, longitude 30.43° east), how close does the plane fly to the North Pole?.

A. ? 310.5 mi B. ? 31 mi C. ? 130 mi D. ? 3100 mi

Solve. = 3

A. 9 B. -9 C. 6 D. 3

Solve the problem.Find the normal to the curve x2 + y2 = 2x + 2y that is parallel to the line 

A. y = x + 2 B. y = -x + 2 C. y = x - 2 D. y = -x - 2

The weekly sales in Honolulu Red Oranges is given by the following. ? ? Calculate the price that gives a maximum weekly revenue. Round your answer to the nearest cent. ?

A. $50.00 B. $26.00 C. $25.00 D. $27.00 E. $12.50