Every quart is 2 pints write an equation to express the total number of pints in quarts?

If f(x)= sqrt4x+9+2, which inequality can be used to find the domain of f(x)?

You dug a hole that was 8 feet deep. after taking a short break, you dug down 3 more feet in the same hole. when finished digging, a tractor accidentally filled the hole with 4 feet of dirt. how deep is your hole now?

Acyclist bike x distance at 10 miles per hour .and returns over the same path at 8 miles per hour.what is the cyclist average rate for the round trip in miles per hour ?