Why is California at higher risk for earthquakes than North Dakota ( Also i know this isnt math but people answer faster when its in math )

Apath 3 m wide runs around the inside of a square park inside 60 m.find the area of the path.pls

The figures below are made out of circles, semicircles, quarter circles, and a square. find the area and the perimeter of each figure and give your answers as a completely simplified exact value in terms of π (no approximations).

Onnie is considering doing some long term investing with money that she inherited. she would like to have $50,000 at the end of 30 years. approximately how much money would lonnie need to put into an account earning 6% interest compounded annually in order to meet her goal?