Help me please and thank you

Which inequality statement describes the two numbers on a number line? "? 7 and a number 5 units to the right of ? 7"

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?

Find the distance between the pair of points a(-1,8) and b(-8,4)