How can a equation have many solutions

What is the value of x? enter your answer in the box. photo attached.

Divide. write in the simplest form. 4 1/6 divided by 10

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.)