Find the coordinates of the midpoint of a segment with the given
endpoints.

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

9/10 divide by -3/15 as a mixed number

Labc is reflected across x = 1 and y = -3. what are the coordinates of the reflection image of a after both reflections?