Susie bought six pens at the office supply store and paid $4.14. larry bought a dozen of the same pens at the same store and paid $8.28.
scott went to this store and bought pens. he paid a total of $5.52. how many pens did he buy?

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.

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.

What is the circumference of the pie