On a map, the distance of two inches is equal to ten miles. How many miles does 4 inches represent on the map?
10
20
30
40

Weekly wages at a certain factory are normally distributed with a mean of $400 and a standard deviation of $50. find the probability that a worker selected at random makes between $450 and $500

Which of the following is not a subset of {1,2,3}?

Calculate the missing value. round the answer to on decimal place. start with 70, increase it by 21%, and end up with