True or false: Most proofs in geometry are called direct proofs because theorems and postulates are used to prove a statement using a direct approach

If f(x)=3x+1 and f^-1=x-1/3, then f^-1(7)=

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.

What is the radius of a circle with an area of 78.5 cubic inches? use 3.14 for pie