Sicilia randomly selected 25% percent of the sound sleep email subscribers and asked them how many hours of sleep they average each night. of the subscribers surveyed, 16 average less than 6 hours of sleep each night.
based on the data, what is the most reasonable estimate of the number of sound sleep email subscribers who average less than 6 hours of sleep?

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.

Aprojectile is thrown upward so that its distance above the ground after t seconds is given by the function h(t) = -16t2 + 704t. after how many seconds does the projectile take to reach its maximum height?

Pyramid shown has a square base that is 18 inches on each side has a surface area of 164 square inches what is the slant height