An igloo has a circular floor with a diameter of 4 meters. What is the floor's circumference?

What's the difference between: x≥0 and nonnegative integer. ?

The amount spent on food and drink by 20 customers is shown below what is the modal amount spent and the median amount spent? 40 25 8 36 18 15 24 27 43 9 12 19 22 34 31 20 26 19 17 28

The sum of these consecutive integers is equal to 9 less than 4 times the least of the integer. find the three integers