How many zero pairs can be created in the model below? 2 x tiles and 1 negative x tile. 3 plus sign tiles and 2 negative tiles.

Look at this expression. a3b3c a-3b-3c-1 which of the following is the simplest form of the expression above?

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.

If tan2a=cot(a+60), find the value of a, where 2a is an acute angle