The size of a television screen is identified by the measurement of its diagonal. The 25-in television screen shown is 20 inches wide. What is the height of the screen?

5(-9w) put expression in distributive property

Can someone me and do the problem plz so i can understand it more better

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