The cost of 3 markers and 2 pencils is $1.80. The cost of 4 markers and 6 pencils is $2.90. Part A: Define variables that represent this situation.
Part B: Write a system of equations to represent this situation.
Part C: Solve the system of equations you wrote in Part B.
Part D: Interpret the solution in context of the problem.

Please label each part!!

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 140% of 25? because i need

On ryan's last social studies test there were two types of questions true/false worth 3 points each and multiple choice questions worth 4 points each