What property justifies this step? (Commutative Property, Associative Property, Distributive Property) (Of addition, subtraction, or multiplication)
1. (x + 3)(x+2) = (x+3)x + (x+3)2

2. x*x + 3*x + x*2 + 3*2

Hello i need with my math homework i don't understand can someone explain how this works

Jake volunteers to out his younger brother's basketball team in his free time. one of his tasks is to ensure that all the basketballs have enough air in them. given that a properly inflated basketball measures 8.8 inches across, what is the total volume of air inside six of jake’s basketballs? assume that the wall of each ball is infinitely thin.

Azookeeper predicted the weight of a new baby elephant to be 233 pounds when it was born. the elephant actually weighed 265 pounds at birth. what was the percent error of the zookeeper's prediction? asap