Kala tutors chemistry. for each hour that she tutors, she earns 30 dollars.
let e be her earnings (in dollars) after tutoring for h hours.

write an equation relating e to h . then use this equation to find kala's earnings after tutoring for 13 hours.

3382-299=3383- ? fill in the blank?

Ten times the square of a non-zero number is eqaul to ninety times the number

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