Suppose you went to a carnival. the price to get in was $4, and you paid $0.50 to get on each ride. if you went to the carnival and rode 7 rides, how much did you spend?

a. $11.50
b. $7.50
c. $9
d. $3.50

i did the work two different ways and eliminated a and d. but i cannot decide which answer out of b and c would be correct

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 are the excluded values? m+5/mn+3m

Matt had 5 library books. he checked out 1 additional book every week without retuening any books. whats the matching equation