Andy is tiling his kitchen floor, which is represented in the diagram. Andy laid black tiles in a border of 1 1/2 feet thick around the perimeter of the room. He will lay white tiles on the rest of the floor. What is the area of the floor that will be covered by white tiles?

What is the probability of rolling a single die greater than 4

International calls require the use of a country code. many country codes a 3-digit numbers. country codes do not begin with a 0 or 1. there are no restrictions on the second and third digits. how many different 3-digit country codes are possible?

Suppose i pick a jelly bean at random from a box containing one red and eleven blue ones. i record the color and put the jelly bean back in the box. if i do this three times, what is the probability of getting a blue jelly bean each time? (round your answer to three decimal places.)