The product of x and the sum of 6 and 8 times the square of x

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.

Standard deviation of 19,29,21,22,23

Awasher and a dryer cost $701 combined. the washer costs $51 more than the dryer. what is the cost of the dryer?