Aball is thrown downward from the top of a building with an initial speed of 25 m/s. it strikes the ground after 2.0 s. how high is the building, assuming negligible air resistance

Aline has a slope of and a y-intercept of –2. what is the x-intercept of the line?

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.

The sum of the squares of two numbers is 8 . the product of the two numbers is 4. find the numbers.