Which polynomial is in standard form? a) 4x + 2x2 + 5x3 + 4x5 − 9 b) 7x5 + 5x4 − 4x3 − 3x2 + 5 c) 8x3 + 5x5 − 4x2 − 2x4 + 1 eliminate d) 9x2 + 5x3 + 4x5 − 6x + 7

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