When the dependent variable increases when the independent variable increases, the rate of change is

Aswimming pool measures 22ft by 12ft and is 4ft deep. if the pool is being filled at 2.5 cubic ft per minute, how long will it take to fill the pool?

Arace is 10 kilometers long.markers will be placed at the beginning and end of the race course and at each 500 meter mark.how many markers are needed to mark the course for the race?

Is a triangle with sides of length 6ft, 21 ft, 23 ft. a right triangle?