HELP ASAP!!! Kim carpenter her bedroom the square footage of the room is 210 square feet if the total cost of carpet was 312.50, what was the cost of the carpet per square foot?

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.)