The number of students at parkville high school is 21 less than 2 times the number of students at midtown middel school which expression could be used to represent the total number of students at parkville high school is s represents the number os students at midtown middle school

a 2s + 21
b 21 -2s
c 2s - 21
d 12 + 2s

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.