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The ratio of the measures of the three angles in a triangle is 2: 9: 4. find the measures of the angels

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.

Need same math paper but the back now i hope your able to read it cleary i need with hw