Two similar circles are shown. The circumference of the larger circle, with radius OB, is 3 times the
circumference of the smaller circle, with radius OA.
Radius OB measures x units. Which expression
represents the circumference of the smaller circle with
radius OA?

A.(pi/3) x units
B.(2pi/3) x units
C.2pi x units
D.6pi x units

What other information do you need to prove triangle dac=bca by asa

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.

Select all expressions that are equivalent to 2(3x + 7y). question 1 options: 6x + 14y 6x + 7y 1(6x + 14y)