Evaluate the expression for w
-4 and x =
-1.
5wx

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 suare root of 9x plus 7 plus the square rot of 2x equall to 7

Y+ 2/y is it a polynomial in one variable or not? and if so, why?