Need help with this puzzles please :)

The measurement of one angle of a right triangle is 34°. what is the measurement of the third angle?

Inez has a phone card. the graph shows the number of minutes that remain on her phone card a certain number of days.

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