Which statement is true regarding the diagram of circle P?
P.
The sum of y and z must be 2x.
X
у
Z
The sum of y and z must be
The difference of z and y must be 2x
O The difference of z and y must be x.

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.

2. explain in words how you plot the point (4, −2) in a rectangular coordinate system.

Why is studying fractions important