An angle measures 84° What is the measure of its supplement? An angle measures 54°. What is the measure of its complement?

The triangles are similar. what is the value of x? x=

Pick the description of a geometric object that best matches the real world object box for a deck of card

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