Lizzie has volunteered 20 hours at her town library. from now on she plans to volunteer 5 hours per week. write an algebraic expression to represent the total number of hours she will volunteer. write a verbal model. choose a variable for unknown quantity

Create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1.

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

Explain how you can find the missing fraction in 3 4/5 / (blank) 2 5/7. then find the missing fraction.