What is the equation of a circle with radius 23 and whose center is the intersection of the lines y=2x+1 and 4x+y=13?

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

Does anyone know how to do geometryme with this problem

65% of students in your school participate in at least one after school activity. if there are 980 students in you school, how many do not participate in an after school activity?