Fr points (add me as a friend)

The suare root of 9x plus 7 plus the square rot of 2x equall to 7

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.)

What is always true when two whole numbers are subtracted?