Divide the complex numbers -6+2i / -4-3i

Two streets intersect at a 30- degree angle. at the intersection, the are four crosswalks formed that are the same length. what type of quadrilateral is formed by the crosswalks?

Is a positive integer raised to a negative power always positive

The measure of one angle of an octagon is two times smaller that of the other seven angles. what is the measure of each angle?