A plane is traveling with an airspeed of 350 mph in the direction N 40° E. Let the plane's ground speed equal x, which is affected by a 50-mph wind blowing directly from the south. Which diagram represents this scenario?

When you answer this can you explain

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

Asquare picture with sides of 32 inches is to be mounted on a square mat with sides of 52 inches. find the area of the mat that will remain uncovered by the picture.