Which description best describes the data in the frequency table .

52 cm radius = diameter = area = circumference = circumfer

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?

Which expression is the factorization of x^2+10+21