If you have 5 socks in a bag and 2 of them are blue what is the probability of picking a blue sock randomly from the bag

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.)

Awindow washer cleans 42 windows in 2 hours. at this rate, how many windows did he clean in 180 minutes.

What are the measures of angles a, b, and c? show your work and explain your answers. 25 points