Iam a bit confused, can you me with #9? : d

The volume of a cube is 8 in to the 3rd power. how long is each side?

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

Kayla made observations about the sellin price of a new brand of coffee that sold in the three different sized bags she recorded those observations in the following table 6 is $2.10 8 is $2.80 and 16 is to $5.60 use the relationship to predict the cost of a 20oz bag of coffee.