Every Sunday morning. Opal, Lisa, Talia, and Cora meet for breakfast at the Bagel Shop. 1 They share the bill equally and each pay $2 toward the tip. The expression r + 2 represents 4 the amount each friend pays, where r is the amount of the bill before the tip. 1 .) What do the parts of the expression -x + 2 represent? 4 1 .) The term -t represents the amount each friend pays toward the ? The term 2 represents the amount each friend pays toward the ?​

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