Can someone please help me ​

If x is 6, then 7x= a. 13 b. 42 c. 42x d. 76

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.

Find the volume of the solid bounded by the plane z=0 and the paraboloid z=1-x^2 –y^2