In the past month, Sam rented 3 video games and 1 DVD. The rental price for each video game was $2.90 . The rental price for the DVD was $4.20. What is the total amount that Sam spent on video game and DVD rentals in the past month?

Jayne is studying urban planning and finds that her town is decreasing in population by 3% each year the population of her town is changing by a constant rate

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.

Write an inequality and solve each problem. for exercises 11 and 12, interpret the solution.