Can someone help me figure this out please i’ve been sitting here wondering what this is

The table shows the balance of a money market account over time. write a function that represents the balance y (in dollars) after t years.

Awater truck is filling a swimming pool. the equation that represents this relationship is y=19.75x where y is the number of gallons of water in the pool and x is the number of minutes the truck has been filling the pool.

What unit of been sure would be appropriate for the volume of a sphere with a radius of 2 meters