Anormal distribution of data has a mean of 15 and a standard deviation of 4. how many standard deviations from the mean is 25? 0.16 0.4 2.5 6.25

Graph the line that represents a proportional relationship between d and t with the property that an increase of 33 units in t corresponds to an increase of 44 units in d. what is the unit rate of change of dd with respect to t? (that is, a change of 11 unit in t will correspond to a change of how many units in d? )