Please Help! Train is traveling north at a steady speed of 50 mph after two hours it is 140 miles north of Hillsborough chain be is traveling north on a parallel track its distance north of Hillsborough is represented by the graph where were the two trains in relation to each other when they begin traveling?

You are responsible for designing a new city. you are inspired by pierre charles l'enfant, who laid out the streets of our nation's capital. numbered streets run north and south, and lettered streets run east and west. avenues are named after states, and they intersect the streets on a diagonal. the streets are parallel and the intersections form similar triangles. 18th st. is 454 meters long and the intersection of 18th and k st. is 207 meters from connecticut ave. if 19th st. and k st. is 385 meters from connecticut ave., what is the length of 19th st.?

Gretchen is setting up for a banquet. she has 300 chairs and needs to distribute them evenly among t tables. how many chairs should she put at each table? write your answer as an expression.

The radius of a sphere is 3 inches. which represents the volume of the sphere?