What are the greatest common factor of 28 and 32

Which statements regarding the diagram are true? check all that apply.

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.

Solve each quadratic equation by factoring and using the zero product property. x^2 - 8x + 30 = 3x