The lengths of the sides of a triangle are 11 15 and 20 classify the triangle as acute right or obtuse

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.)

Sawsan recorded the favorite sport of students at her school. she surveyed 200 students. how many students chose tennis?

Ineed the solution to this problem and the steps.