Rationalize the denominator. Assume that all variables represent non-negative real numbers. Make sure you simplify the final answer.
A. 
B. 
C. 
D. 
Answer: B
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Solve using the elimination method. If the system has no solution or an infinite number of solutions, state this.5x - y = 103x + y = 14
A. Infinite number of solutions B. No solution C. (5, 3) D. (3, 5)
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
Perform the indicated operation. Assume that all variables represent positive numbers.
? 
A. 2
B. 2
C. 
D. 10
Provide an appropriate response. Find the equation of the line with slope 2 and y-intercept -5.
A. y = 2x - 5 B. y = 2x + 5 C. y = -5x + 2 D. y = -5x - 2