Can somebody help me-

Expresa commuter train leaves downtown sation and travels at a average speed of 55 miles per hour towards the north side sation, which is 50miles away. thirty minutes later, express commuter train #7 leaves north side and travels at a average speed of 35miles per hour towards downtown sation. at the moment the two trains pass each other, how far(in miles) is train #12 from the downtown sation and how long(in minutes) has the #12 train been traveling

Which describes the difference between the graph of f(x)=x^2 and g(x)=-(x^2-2)

East black horse $0.25 total budget is $555 it'll cost $115 for other supplies about how many flyers do you think we can buy