Solve: 18^x^2+4x+4=18^9x+18

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 graph shows the distance kerri drives on a trip. what is kerri's speed?

State one method by which you can recognize a perfect square trinomial.