What is the exact value of the expressions the square root of 180. − the square root 125. + the square root of 5.? simplify if possible.
a) 2the square root of 2.
b) 12the square root of 2.
c) 2the square root of 5.
d) 12the square root of 5.

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Solve the equation. 2x - 8(x+1)= 6(2x - 3)

If your score on your next statistics test is converted to a z score, which of these z scores would you prefer: minus2.00, minus1.00, 0, 1.00, 2.00? why? a. the z score of 2.00 is most preferable because it is 2.00 standard deviations above the mean and would correspond to the highest of the five different possible test scores. b. the z score of 0 is most preferable because it corresponds to a test score equal to the mean. c. the z score of minus2.00 is most preferable because it is 2.00 standard deviations below the mean and would correspond to the highest of the five different possible test scores. d. the z score of minus1.00 is most preferable because it is 1.00 standard deviation below the mean and would correspond to an above average