Solve the nonlinear system. -2x + y = 5x2 + y2 - 25 = 0
A. (0, -5), (0, 5), (-4, -3)
B. (0, 5), (-4, -3)
C. (5, 0), (-3, -4)
D. (0, 5), (-4, 3)
Answer: B
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Simplify the expression.
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?
A. 
B. ?
C. ?
D. ?
E. ?
Solve the given applied problems involving variation.The pitch P of a musical tone varies inversely as its wavelength W. One tone has a pitch of 479 vibrations per second and a wavelength of 8.8 ft. Find the wavelength of another tone that has a pitch of 492 vibrations per second.
A. 0.000037 ft B. 0.12 ft C. 26,780.5 ft D. 8.6 ft
Divide using synthetic division.
A. 4x2 - 2x - 5
B. 
x2 + 
x - 
C. 4x2 x + 
- 5
D. -4x2 - 6x - 5
The height of a monument is 20m. A horizontal cross-section at a distance x meters from the top is an equilateral triangle with side 
meters. Find the volume of the monument. Select the correct answer.
