Tina spent $6.75 on supplies at the store. she made $2.34 on monday, and $4.65 on tuesday. what was tina's overall profit or loss?

In the diagram below, tan θ = sqrt 3. what is the value of m?

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 is the lcm of 16 and 40 ? 24 and 40 ?