I need help plz it’s due this weekend and I can’t figure this out.

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

If 10 men take 18 days to mow 60 acres of grass, how long will 15 men take to mow 80 acres?

What is the measure of ba (the minor arc) in the diagram below?