Find the values of the variables.
= 
A. x = 
, y = 4
B. x = 5, y = 5
C. x = 3, y = 
D. x = 3, y = 4
Answer: A
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Use Chebyshev's theorem to solve the problem.Find the least possible fraction of numbers in a data set lying within 4/3 standard deviations of the mean.
A. 
B. 
C. 
D. 
Multiply. Change any mixed number to an improper fraction before multiplying.4
A. 3
B. 12
C. 7
D. 12
Determine a window that will provide a comprehensive graph of the polynomial function.y = 2x4 + 2x3 - 4x2 - 3x - 6
A. [-5, 5] by [-5, 5] B. [-2, 2] by [-10, -5] C. [-10, 10] by [-8, 8] D. [-3, 3] by [-10, 5]