45° + (9x-17)° + 80° = 180 ​

When y’all answer can y’all explain too !

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.)

30 ! the graph shows the number of siblings different students have. select from the drop-down menus to correctly complete the statement.