Solve the system of equations using the substitution method. y=−3x+7 x=−2y−16 enter your answers in the boxes. x= y=

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