Sara has a stack of 8 plates, each plate is 0.5 inches tall and she is trying to wrap them as a gift. If each plate has a diameter of 10 inches, what is the approximate the amount of wrapping paper she will need to cover the plates. Round to the nearest square inch.

Acircle has a diameter will endpoints of (-2,8) and (6, 4). what is the center of the circle

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.

15/16 as a decimal rounded to the nearest hundredth