Sharon has at most $25 to spend on her sister's birthday gift. she already bought a knitting machine for her, which cost $14.99. she would also like to get her sister some skeins of yarn to go with it. each skein costs $2.75.

write an inequality to represent this problem. use y to represent the number of skeins of yarn.
what is the most number of skeins sharon can afford to buy? justify your answer in two or more complete sentences.

Abank gives 6.5% interest per year. what is the growth factor b in this situation?

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.

Bring the fraction a/a-4 to a denominator of 16-a^2