Rashan says that –6 ÷ 2 = -3. Which multiplication expression can he use to check his answer?

The function a represents the cost of manufacturing product a, in hundreds of dollars, and the function b represents the cost of manufacturing product b, in hundreds of dollars. a(t) = 5t + 2 b(t) = 7t - 2t +4 find the expression that describes the total cost of manufacturing both products, a(t) + b(t). a. 7t^2 - 7t + 2 b. 7t^2 + 3 +6 c. 7t^2 + 7t - 6 d. 7t^2 - 3t + 6

Need on this geometry question. explain how you did it.

Find the values of y: 3y^3(y^2+ 2/3y)=0