What is the name of the figure?

The heaviest 16% of all men in weight weigh more than how many pounds ?

The square root of 9x plus 7 plus the square rot of 2x equall to 7

The evening newspaper is delivered at a random time between 5: 30 and 6: 30 pm. dinner is at a random time between 6: 00 and 7: 00 pm. each spinner is spun 30 times and the newspaper arrived 19 times before dinner. determine the experimental probability of the newspaper arriving before dinner.