Add: (3x4 + x2 + 2) + (9x4 - x2 + x)
a. 12x8 + x + 2
b. 12x8 + x4 + x + 2
c. 27x4 - x2 + x + 2
d. 12x4 + x + 2

subtract: (3x2 - x - 5) - (x + 2)
a. 3x2 - x - 3
b. 3x2 - 2x -7
c. 3x2 - 3

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.