A piggy bank contains 35 coins.
Each coin is either a quarter or a dime.
Altogether, the coins have a value of $4.90.

Complete the table and write a system of equations to represent the number of each type of coin.

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