Penny reads 12 pages in 1/4 of an hour. What is the unit rate of pages per hour, and what is the unit rate of hours per page? I know the unit rate of pages per hour is 48, but I am stuck on the unit rate of hours per page. I'm coming up with .020833. Please help. Thanks.

Tickets to a science exposition cost $5.75 each for studentd and $7.00 for adults. how many students and adults went if the ticket charge was $42.75

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.

Which rule describes the composition of transformations that maps △abc to △a”b”c