A bag contains 3 teal balls and 2 magenta balls. Blake picks one ball, replaces it, and then picks another ball. What is the probability that both balls are teal? 4/25

9/25

3/10

1/10

Part a : solve -vp + 40 < 65 for v part b : solve 7w - 3r = 15 for r show your work .

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.

8litres of paint can cover 129.6 m². how much paint is required to paint an area of 243m²?