Solve this puzzle
if:
212 = 6,
327 = 9,
624 = 4,
330 = 10,
then: 515 = ? ?
reply must if u r a genius..

1jessica's home town is a mid-sized city experiencing a decline in population. the following graph models the estimated population if the decline continues at the same rate. select the most appropriate unit for the measure of time that the graph represents. a. years b. hours c. days d. weeks

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.)

3x = 729 solve for x plz . it's urgent. will mark