Plzzz answer it this question is from circle chapter class 9

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.)

Which equation represents a direct linear variationa. y=x2b. y=2/5xc. y=1/xd. y=x+3

The length of a rectangle plus its width is 24 cm. the area is 143 square cm. what are the length and width of the rectangle?