|4 - 5 + 10| = * what is the value?

Part a : solve -vp + 40 < 65 for v part b : solve 7w - 3r = 15 for r show your work .

Pls brainliest will be awarded if answer is correct

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.