Aline segment begins at the point (-4,-9) and ends at the point (21, 31.625).

what are the coordinates of the point that partitions this line segment into two line segments whose lengths are in the ration of 2: 3?

The last time i bought this product , it cost $20.00 but it looks like it cost 29. 60 today? what is the increase

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

I'm confused on this could anyone me and show me what i need to do to solve it.