Total revenue is 3,000 cost of goods 1,500 total selling expence is 500 what is profit

Apark is in the shape of a rectangle. the park authorities are planning to build a 2-meter-wide jogging path in the park (shown as the shaded region in the image). what is the area of the jogging path? plz

He that is measured at 220° is a reflex angle. the opposite angle is obtuse. find the measure of obtuse .

Peter measures the angles in a triangle. he finds that the angles are 95, 10 and 75. is he correct? explain your answer