Which of these triangles appears not to be congruent to any others shown here? Check all that apply. C "A E F A. Triangle D B. Triangle C C. Triangle B D. Triangle F E. Triangle E F. Triangle A​

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