Solve.A commercial jet is flying on a course 43° north of west when it leaves the airport. The control tower orders the plane to change course by turning to the left 8°. Describe the new course in terms of how many degrees north of west the plane is flying. 
A. 8° north of west
B. 35° north of west
C. 51° north of west
D. 47° north of west
Answer: B
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Work the application. Write a legend and an equation. Solve the equation and answer in a complete sentence.Each box of matches contains 120 matches. Boxes of matches are shipped in cartons. Each carton contains 15 boxes of matches. How many matches are in each carton?
A. Let n = number of matches in each carton. 15 ? n = 120 Each carton contains 135 matches. B. Let n = number of matches in each carton. 120 ? 15 = n Each carton contains 180 matches. C. Let n = number of matches in each carton. 15 ? n = 120 Each carton contains 8 matches. D. Let n = number of matches in each carton. 120 ? 15 = n Each carton contains 1800 matches.
Solve the problem. Round to the nearest cent.The unpaid balance in an account on December 1 was $169. A payment of 
was made on December 13. The finance charge rate was 
per month of the average daily balance. Find the finance charge for the month of December.
A. $1.49 B. $3.52 C. $1.70 D. $1.60
Determine the standard equation of the ellipse using the given graph.
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Solve the problem.If the height of a rectangular solid is held constant, the volume varies jointly with the length and the width. If the volume is 180 cubic inches when the length is 9 inches and the width is 5 inches, find the volume when the length is 8 inches and the width is 6 inches.
A. 160 in.3 B. 192 in.3 C. 144 in.3 D. 216 in.3