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?

What is the perimeter of square abcd? units units 28 units 37 units

What is the sum of the first 8 terms of the geometric series

The price for gasoline is represented by the equation y=3.69x, where y represents the total price for x gallons of gasoline. on a graph, the number of gallons is represented on the horizontal axis, and the total price is represented on the vertical axis. determine whether each statement describes the graph of the equation. select true or false for each statement