Which expressions are equivalent to this expression?
3y+3z
3(y+z) 3y+z 10y+2z+y+z 6+y+3z

Tomas used 3 1/3 cups of flour and now has 1 2/3cups left. which equation can he use to find f, the number of cups of flour he had to begin with? f+3 1/3=1 2/3 f-3 1/3=1 2/3 3 1/3f=1 2/3 f/3 1/3=1 2/3