Find the perimeter of a square with a side length of 1.25 miles. The perimeter is

The mean temperature for the first 4 days in january was 7°c. the mean temperature for the first 5 days in january was 5°c. what was the temperature on the 5th day?

What is the simplified form of 7 √x • 7 √x • 7 √x • 7 √x?

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