Find the missing lengths of the sides.

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.

The sales totals at macy's food store have increased exponentially over the months. which of these best shows the sales in the first three months?

How many sides does a regular polygon have if each exterior angle measure is 45 degrees explain your answer, i really don't understand this.