Please Help will mark as BRAINLIEST Are the points on the boundary line part of solution set or not?

Answer both please

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

Hurrya vegetable garden and a surrounding path are shaped like a square that together are 11ft wide. the path is 2ft wide if one bag of gravel covers 9 square feet how many bags are needed to cover the path

During a wright loss challenge your friend goes from 125 pounds to 100 pounds.what was the percent weight loss