I need the answer for seven

1. what are the missing reasons in the proof 2. it's in the second picture and 3

The annual snowfall in a town has a mean of 38 inches and a standard deviation of 10 inches. last year there were 63 inches of snow. find the number of standard deviations from the mean that is, rounded to two decimal places. 0.44 standard deviations below the mean 2.50 standard deviations below the mean 0.44 standard deviations above the mean 2.50 standard deviations above the mean

Given the following linear function sketch the graph of the function and find the domain and range. ƒ(x) = -5x + 4