Marisa earned money for helping a local business with organizing their inventory. She spent half of her earnings on accessories for her phone, and half of the remaining money on a gift for her mother. If she has
$15 left, how much did she make organizing the inventory?

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.

Divide. –40 ÷ –5 a –8 b 200 c -200 d 8

Which shows a reasonable estimation for 124% of 42 using the distributive property?