Provide an appropriate response.
A rectangle measures 12 m by 14 m. If the width is decreased by 3 m and the length is increased by 4 m, how much would the area change?
A. decrease by 18 m2
B. decrease by 6 m2
C. increase by 108 m2
D. decrease by 78 m2
Answer: B
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Solve the problem.Solve for a: 
A. a = 
B. a = 
C. a = 
D. a = 
Express the number in decimal notation.8.1 × 105
A. 81,000 B. 8,100,000 C. 405 D. 810,000
Solve. Use the fact that the radius of the Earth is 3960 miles and 1 mile = 5280 feet.A guard tower at a state prison stands 117 feet tall. How far can a guard see from the top of the tower? Round to the nearest tenth of a mile.
A. 969.7 mi B. 13.2 mi C. 5600.3 mi D. 18.7 mi
Solve the problem.Tameka keeps track of her business mileage so her company will pay for her travel. She is not paid for trips to lunch or for travel to and from home. Today she drove 
to work, 
to visit a client, 
to visit another client, 
to lunch, 
style="vertical-align: -4.0px;" /> to attend a business meeting and 
home. How many miles will her company pay for?
A. 73.2 miles
B. 60 miles
C. 49.2 miles
D. 36 miles