Me plz. in asap. thxs with 15 and 16 thxs

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.

Your food costs are $5,500. your total food sales are $11,000. what percent of your food sales do the food costs represent?

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.)