Represent the following sentence as an algebraic expression, where "a number" is the letter x. 9 less than the product of 9 and a number.

Is the open sentence 5x-2=3x+2 true when x=2? justify your answer.

Which of the following is the shape of a cross section of the figure shown below

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.