Name the property illustrated. 69 + 0 = 69 Commutative Distributive Associative Addition Property of zero

Evaluate the following expression 1/3^2

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?

George writes the mixed number as sum and uses the distributive property 1/2.-2/5=1/2-2+2/5=1/2