1. in 3/4 of an hour ryan codes 3/5of his game. at this rate, how
much of the game can he code in 1 hour?

When only separate discreet points are graphed it is called?

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

Can you me find the slope! (30 points)