The area has to be in metres^2

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

Which values of p and q result in an equation with exactly one solution? px-43=-42x+q choose all answers that apply: a) p=-43 and q=-43 b) p=42 and q=43 c) p=43 and q=−42 d) p=42 and q=42

This is about circle theorems. someone asap : (