Which is the best estimate of the sum of 5 1/5 and 8 5/6? 1/2 1/3 1/4 1/5

How can you find the conditional probability of a given b as the fraction of b’s outcomes that also belong to a, and interpret the answer in terms of the model? i just need a good explanation

Officer brimberry wrote 32 tickets for traffic violations last week, but only 4 tickets this week. what is the percent decrease? give your answer to the nearest tenth of a percent.

Three runners competed in a race data were collected at each mile mark for each runner if the runner ran at a constant pace the data would be linear