The figure below shows a triangular wooden frame abc. the side ad of the frame has rotted and needs to be replaced: what is the length of the wood that is needed to replace ad? 6.2 inches 4.2 inches 6.9 inches 5.1 inches

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.