Grandma millie is shrinking! her height decreases by \dfrac{1}{4} \text{ cm} 4 1 cm each year. what is her total change in height over 33 years?

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.