Ineed to find out the answer to this

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

Which table represents a linear function? i'll give brainliest to first answer ^'^

Adecorative window is made up of a rectangle with semicircles at either end. the ratio of ad to ab is 3: 2 and ab is 30 inches. what is the ratio of the area of the rectangle to the combined area of the semicircles? possible answers: a. 2: 3 b. 3: 2 c. 6: π d. 9: π e. 30: π