Which expression gives the measure of ACE in the diagram below? B
C
58"
D
172
O A. (172-58)
B. 172.58
OC. (172. + 586)
D. 172° + 58

Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters.

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.