Aschool receives a shipment of books. there are 60 cartons, and each carton weighs 42 pounds. the school’s elevator can hold 2200 pounds. what is the greatest number of cartons that can be carried on the elevator at one time if no people ride with them? show all of your work. then, explain your solution.

Look at the following graph of the given equation. determine whether the equation is a function. explain why or why not.

Given the points a(-2, 1) and b(8, 6), find the coordinates of the point c on directed line segment ab, that partitions ab in the ration 2: 3.

At the olympic games, many events have several rounds of competition. one of these events is the men's 100-meter backstroke. the upper dot plot shows the times (in seconds) of the top 8 finishers in the final round of the 2012 olympics. the lower dot plot shows the times of the same 8 swimmers, but in the semifinal round. which pieces of information can be gathered from these dot plots? (remember that lower swim times are faster.) choose all answers that apply: a: the swimmers had faster times on average in the final round. b: the times in the final round vary noticeably more than the times in the semifinal round. c: none of the above.