PLEASE HELP 5. Find the distance of the line segment joining the two points: (2,0) (0,-2)

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?

8litres of paint can cover 129.6 m². how much paint is required to paint an area of 243m²?

Can someone me with this? i’m not sure what to put for my equations.