A vertical flagpole, AB, has a height of 42m. The points B, C and D lie on level ground, and BCD is a straight line Point C is 24 m from the base of the flagpole. The angle of elevation of the top of the flagpole from point D is 48 degrees

How far apart are points C and D?

Somone me i want to know what 18 hours out of 24 hours in a fraction

If 1/√5+1/√5+1=p+q√r , find the values of p, q and r

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.