The following dot plot represents a random sample of elementary students and the number of children that live in their home. part 1: what is the range of the data set? part 2: what is the interquartile range of the data set? part 3: what is the mean absolute deviation of the data set? [round both the mean and the mean absolute deviation to the nearest tenth.]

Which situation can be modeled by the inequality 5 + 10w ≥ 45? a. you start with $5 and save $10 a week until you have at least $45. b. you start with 5 baseball cards and purchase 10 cards every week until you have at most 45 cards. c. you start with 5 water bottles and purchases cases of 10 water bottles each until you have a total of 45 water bottles. d. you spend $5 plus $10 per week until you have less than $45.