What is the area of the top surface of a circular manhole cover that has a radius of 30cm

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

Consider the following estimates from the early 2010s of shares of income to each group. country poorest 40% next 30% richest 30% bolivia 10 25 65 chile 10 20 70 uruguay 20 30 50 1.) using the 4-point curved line drawing tool, plot the lorenz curve for bolivia. properly label your curve. 2.) using the 4-point curved line drawing tool, plot the lorenz curve for uruguay. properly label your curve.

Rounded to the nearest tenth, what is the value of x