What are the dimensions of the cross section formed by a plane intersecting this rectangular prism parallel to its base?

The cross section is a .
The length of the cross section is cm.
The width of the cross section is cm.

Ken leaves work 20 minutes late. he decides to make up time by taking the toll road instead of side streets. he can travel three times faster by taking the toll road. create an equation to represent his total travel time, including wait time, where x is the number of minutes the drive was expected to take

Renee hiked for 6 3/4 miles. after resting, renee hiked back along the same route for 5 1/4 miles. how many more miles does renee need to hike to return to the place where she started? represent your answer as a simplified mixed number, if necessary.

For which rational expression is -2 an excluded value of x