What operation is the opposite of multiplication

Dee used 2 1/3 cups of sugar for a cake recipe. if the amount of sugar the container holds is 3 times the amount she used, does the container hold more than, less than, or equal to 3 cups of sugar? explain.

Aline on the wall and a line on the floor are skew. always, sometimes, or never?

Find the solution of this system of equation -7x+y=-20 9x-3y=36