Maura writes an expression equivalent to 8a-(-3-5a)-2a. Her work is shown below. 8a-(-3-5a)-2a Step 1: 8a+3-5a-2a Step 2: (8a-5a-2a)+3 Step 3:(3a-2a)+3 Step 4: a+3 In what step does Maura make a mistake? Describe her error and find the correct equivalent expression.

What is the slope of the line shown below?

Which of the points a(6, 2), b(0, 0), c(3, 2), d(−12, 8), e(−12, −8) belong to the graph of direct variation y= 2/3 x?

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.