Find the surface area of the rectangular solid.
A. 50 m2
B. 56 m2
C. 112 m2
D. 100 m2
Answer: D
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Solve.Emily owns 25 acres of land which she rents to a rancher for $3111 per acre per year. Her property taxes are $891 per acre per year. How much profit does she make on the land each year?
A. $100,050 B. $76,884 C. $78,666 D. $55,500
Find the exact value of the expression.sin-1 
A. 
B. 
C. 
D. ?
For the pair of functions, find the indicated domain.f(x) = x2 - 16, g(x) = 2x + 3Find the domain of f ? g.
A. [4, ?) B. (-4, 4) C. [0, ?) D. (-?, ?)
Solve the problem.A boy is flying a model airplane while standing on a straight line. The plane, at the end of a twenty-five foot wire, flies in circles around the boy. The directed distance of the plane from the straight line is found to be d = 25 cos 
where d is measured in feet and t is the time in seconds. If d > 0, the plane is in front of the boy; if d < 0, the plane is behind him. What is the amplitude? What is the period? Graph d over two periods beginning at t = 0. 
What will be an ideal response?