Help please tysvm! (Write explanation too,)

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

Find the area of the unshaded square

8litres of paint can cover 129.6 m². how much paint is required to paint an area of 243m²?