I need help solving this problem: 1/3(3x - 12) = 1/6x + 1/4 - 9
my teacher said the answer is -5.7 but idk how she got that

At the many chips cookie company they are serious about the number of chocolate chips in their cookies they claim that each cookie hasn't c chips. if their claim is true there will be 200 chips in 10 cookies

What number should be added to the expression x^2+3x+ in order to create a perfect square trinomial? 3/2 3 9/4 9

Factor the polynomial by its greatest common monomial factor.