Select each situation that can represent a proportional relationship. The price of buying x avocados at $4 a pound.

The total amount of toys a child earns when he earns 2 toys a week for w weeks.

The total amount a taxi driver earns who charges a base price of $3 plus an additional $1 per mile for m miles.

The total amount a gardener earns who charges a one time fee of $10 plus $15 an hour for gardening r hours.

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