7)
(4y2 - y) - (5y – 2y2) = - (12 – 3y) + 6y? Solve.

Which of the following describes the symmetry of the graph of y = x3?

On #16 : explain how factoring a trinomial, ax^2+ bx+ c, when a does not equal 1 different from factoring a trinomial when a = 1.

The moats separating people from the animals are 5 m wide for lions and 4 m wide for the elephants. if the lion’s moat is 4 m deep, how deep should the elephants’ moat be?