Simplify.
- 
A. 
B. 
C. 
D. - 
Answer: A
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Solve the problem.A bookcase is to be constructed as shown in the figure below. The height of the bookcase is 2 feet longer than the length of a shelf. If 22 feet of lumber is used for the entire unit (including the shelves, but NOT the back of the bookcase), find the length and height of the unit.
A. Length = 10.0 ft; height = 13.5 ft B. Length = 3 ft; height = 6 ft C. Length = 4.5 ft; height = 6.5 ft D. Length = 3 ft; height = 5 ft
Solve the variation problem.The distance that a spring is stretched by a hanging object varies directly as the mass of the object. If an object with a mass of 4 kg stretches a spring 25 cm, find the stretch when the object has a mass of 15 kg.
A. 44 cm B. 2.4 cm C. 4.15 cm D. 93.75 cm
Decide whether or not the functions are inverses of each other.
A. Yes B. No
Find the equation of the transverse axis of the hyperbola.x2 - y2 = -50
A. y = 0 (x-axis) B. x = 0 (y-axis) C. y = 50x D. x = -y