The additive inverse property states that the sum of an integer and its additive inverse (opposite) is 0 true or false

Question and answers are in the attached picture. you so much in advance.

Gretchen is setting up for a banquet. she has 300 chairs and needs to distribute them evenly among t tables. how many chairs should she put at each table? write your answer as an expression.

Can someone check if i did this correct. it’s number 4 if you’re wondering.