What is the difference between constructing a square in constructing a regular hexagon?

Is the point (0, 8) on the x-axis or y-axis? how do you know?

Given abc find the values of x and y. in your final answer, include all of your calculations.

Consider u = {x|x is a negative real number}which is an empty set? o {x|x eu and x has a negative cube root}o {x|x eu and x has a negative square root}{x|x eu and x is equal to the product of a positive number and -1}{x|x eu and x is equal to the sum of one negative and one positive number?