Which ordered pair is a solution of the equation? -4x+7=2y-3−4x+7=2y−3minus, 4, x, plus, 7, equals, 2, y, minus, 3
Choose 1
Choose 1

(Choice A)
A
Only (2,1)(2,1)left parenthesis, 2, comma, 1, right parenthesis

(Choice B)
B
Only (5,-5)(5,−5)left parenthesis, 5, comma, minus, 5, right parenthesis

(Choice C)
C
Both (2,1)(2,1)left parenthesis, 2, comma, 1, right parenthesis and (5,-5)(5,−5)left parenthesis, 5, comma, minus, 5, right parenthesis

(Choice D)
D
Neither

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