Sam made a scale drawing of a boarding school. He used the scale 1 millimeter: 5 meters. In the drawing, a building at the school is 25 millimeters long and 30
millimeters meters wide. What is the length and width of the actual building?

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.

I’m stuck on this equation, anyone got the answer?

What is the area of a triangle with vertices at (-3 3) (-3,2) and (1,2)?