An express train travels 90 kilometers per hour. a local train takes 2.5 hours longer to travel the same distance at 50 km per hour. how far apart are they?

If 1/√5+1/√5+1=p+q√r , find the values of p, q and r

The total ticket sales for a high school basketball game were $2,260. the ticket price for students were $2.25 less than the adult ticket price. the number of adult tickets sold was 230, and the number of student tickets sold was 180. what was the price of an adult ticket?

Graph y = -|x| + 2. click on the graph until the correct one appears.