Please help me with this question thanks :)

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.)

Plz hurry evaluate the expression a+b where a=8 and b=19

Find the measure for the angle indicated in bold