There are 4 children in maria’s family. in how many ways can you list the children in all possible orders?

Which of the following parabolas opens down?

What is the solution for 6 - 7/8? explain the steps.

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