Find the value of a and z: (x^8)^3=ax^z

Find the roots of the polynomial function f(x) = x^3 + 2x^2 + x

Find the solution set for this equation: t^2+7t=0 separate the two values with a comma.

Molly planted vegetables in 0.6 of her garden and flowers in the rest of it. she planted green beans in 0.4 of the vegetable section of the garden. how much of her garden was planted with green beans?