Stephen took a science exam that had two parts.
• part 1: she got 12 questions correct, which was 3/4 of the number of part 1
part 2: she got 12 questions correct, which was 1/4 of the number of part 2
what was the total number of questions on sepphie's exam?

Line cd passes through points c(1, 3) and d(4, –3). if the equation of the line is written in slope-intercept form, y = mx + b, what is the value of b? –5 –2 1 5

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.

On the first of each month sasha runs a 5k race she keeps track of her times to track her progress her time in minutes is recorded in the table