Two crews working toward each other are 9.45 miles apart. one crew paves 1.5 miles per day, and the other paves 1.2 mi per day. how long will it take them to meet?
show work my trouble is not in the solving of the problem its the figuring out how to set up the equation.

With: label the vertices and all the elements needed. find x

2people are trying different phones to see which one has the better talk time. chatlong has an average of 18 hours with a standard deviation of 2 hours and talk-a-lot has an average of 20 hours with a standard deviation of 3. the two people who tested their phones both got 20 hours of use on their phones. for the z-scores i got 1 for the chatlong company and 0 for talk-a-lot. what is the percentile for each z-score?

The figures below are made out of circles, semicircles, quarter circles, and a square. find the area and the perimeter of each figure and give your answers as a completely simplified exact value in terms of π (no approximations).