Use the commutative or associative property to simplify the expression -2(9x)

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 of the following graphs could represent a cubic function?

Xy x xy if a and b are positive integers such that a*b=9 and b*a=72 what is the value of a/b