What is the measure of the missing angle

∆red ≅ ∆ by rule will give brainiest if possible

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.)

1) you deposit $2,500 in an account that earns 4% simple interest. how much do you earn in eight years?