Solve the equation.
(9x - 12) = 
(20x - 15)
A. {-1}
B. {-12}
C. 
D. {1}
Answer: A
Mathematics
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Solve the problem.How many of the "words" below have vertical reflection symmetry? BOO CUZ BIB HIH TAT MAAM
A. 4 B. 3 C. 5 D. 2
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Solve the polynomial equation by using the root method.3x4 - 768 = 0
A. 4, 0 B. 4, -4 C. -4 D. 4
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Graph the region described by the inequality.5x + y ? -4
A. 
B. 
C. 
D. 
Mathematics
Let the scores for a test be normally distributed. The test has a mean of 400 and a standard deviation of 80. Use this information to find the requested value.Find the test score that is 1.5 standard deviations below the mean.
A. 280 B. 160 C. 320 D. 520
Mathematics