two congruent squares overlap each other and form a polygon with 16 congruent sides, as shown above. Find the degree measure of one of the reflex interior angles?

Consider the line y = -3/-2 x +6. find the equation of the line that is perpendicular to this line and passes through the point (-9,-3). find the equation of the line that is parallel to this line and passes through the point (-9,-3).

Find the solution(s) to the system of equations. select all that apply y=x^2-1 y=2x-2

What is the greatest number of parts of a circle that can be formed by cutting the circle with 7 straight cuts? (note: the parts do not have to be equal in size)