Calculate:13/10+22/15
Give your answer as a mixed number in its simplest form

The mean of a set of data is -3.82 and its standard deviation is 2.31. find the z score for a value of 3.99.

Ahigh school has 3636 players on the football team. the summary of the players' weights is given in the box plot. approximately, what is the percentage of players weighing less than or equal to 225225 pounds?

You got a job selling magazines door-to-door. you are paid $100 per day plus $1.50 for each magazine you sell. which recursive formula models this situation?