an automobile industry sold 500 vechile a year .Out of this number they sold 140 Toyota and 300 Benz and 50 people bought both brand and the rest bought other brands . draw a Venn diagram to represent the information.

2y= 3 2 x−2 y = − 1 3 x + 1 y=− 3 1 x+1

The longer leg of a 30° 60° 90° triangle is 16 times square root of three how long is a shorter leg

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.