Bo is practicing free throws for the state championship game. He starts with three free throws and the next day completes four more free throws than the day before. This continues each day as show below. 3, 7, 11, 15, ...

Select the explicit formula that can be used to find the number of free throws Bo completes on any given day, .

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