Find the volume of the prism 8 10 7 8

Which value is not a solution of 8x^3 – 1 = 0

Afamily of five rents a kayak and splits the total time, k, equally. each family member spent less than 25 minutes kayaking. which values can be used to complete the math sentence below so that it accurately represents the situation? intro done

At 6 1/2 cents per pound of string beans how much does 7 pounds cost