Abag contains 90 marbles some red and some transparent the ratio of red marbles to transparent ones is 1: 4. how many red marbles are there? andwer

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

Check all that apply. f is a function. f is a one-to-one function. c is a function. c is a one-to-one function.

What is r i 4.5+10r=-6.5 with work pls