A motorist travels part of a 375 - km journey journey on an expressway at 95 km/h at the rest along a stretch of road at 65 km/h. The time he spends on the stretch of road at 65 km/ is twice that of which he spends on the expressway. Find the time taken for the entire journey. Explain your answer using the algebraic method.​

The lines shown below are parallel. if the green line has a slope of -1, what is the slope of the red line?

Write 17/20 as a decimal and as a percent.

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.