Please help me! I will give brainliest to whoever gives me a serious answer.

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.)

Find two consexutive odd integers such that the sum of their square is 650

What is the value of n in the equation -1/2(2n+4)+6=-9+4(2n+1)