Help need answer please

Polygon mnopq is dilated by a scale factor of 0.8 with the origin as the center of dilation, resulting in the image m′n′o′p′q′. the coordinates of point m are (2, 4), and the coordinates of point n are (3, 5). the slope of is .

What is the solution set of the quadratic inequality x^2-5< or equal to 0

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?