The diameter of a circle is 18 centimeters. What is the area? Give the exact answer in simplest form

What is the sum of these mixed numbers 2 1/8 + 4 3/8

You have 138.72 in your saving account u take out 45.23 and 18.00 you deposit 75.85 into your account

Over the course of the school year, you keep track of how much snow falls on a given day and whether it was a snow day. your data indicates that of twenty-one days with less than three inches of snow, five were snow days, while of the eight days with more than three inches of snow, six were snow days. if all you know about a day is that it is snowing, what is the probability that it will be a snow day?