The plans for a new amusement park were laid out in the first quadrant of a coordinate plane. The entrance to the roller coaster was shown at (1,1), and the entrance to the bumper cars was shown at (7,9). If each grid represents 70 meters, how far apart will the 2 entrances be?

Sum is 17 and their difference is 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.

What is the perimeter of a rectangular building that is 80 feet wide and 140 feet deep?