Use a graphing calculator to solve the system of equations. Round your solutions to one decimal place.
A. {(1.3, 1.4, 0.4)}
B. {(2.6, 2.9, 0.8)}
C. {(5.3, 5.7, 1.6)}
D. {(10.6, 11.4, 3.1)}
Answer: A
Mathematics
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Find the value of the expression.
?
?
A. - 60 B. 60 C. 50 D. - 50 E. 0
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Use the histograms shown to answer the question.
Can the number of A defects or the number of B defects be described using the normal distribution?
A. The second is normal, but the first is not normal. B. Both are normal. C. The first is normal, but the second is not normal. D. Neither is normal.
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Simplify the expression. Assume that all variables are positive.
A. t2z
B. tz2
C. 
D. 
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Solve the exponential equation.64 = 45x ? 16x2
A. -3 , 
B. -3 , -4
C. 3 , - 
D. 3 , 4
Mathematics