Solve the system of equations.4x2 + 81y2 = 3249y - 2x = 18
A. (0, -2), (9, 0)
B. (0, 2), (-9, 0)
C. (0, -9), (2, 0)
D. (0, 9), (0, -2)
Answer: B
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Find an equation of the line representing the given data. Write the equation in slope-intercept form, unless otherwise indicated.A sales person observes that if an item is priced at $8, then 7 items are sold; while if an item is priced at $10, 5 items are sold. Let y be the number of items sold for x dollars per item.
A. y = -x - 1 B. y = x - 1 C. y = -x + 15 D. y = x + 15
Assume that the probability that an airplane engine will fail during a torture test is 
and that the aircraft in question has 4 engines. Find the probability that no engines will survive.
?
A. 
B. ?
C. ?
D. ?
E. ?
Rationalize the denominator.
A. 
B. 
C. 
D. 1 + 
From the given list, identify the proper fractions.
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A. 
B. 
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C. 
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D. 
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