In Marta's class, the ratio of students who ate tacos for lunch to the students who ate burritos was 12:18. Which fraction is an equivalent form of this ratio?

Select all the correct answers. what is 221,000,000,000,000,000,000 expressed in scientific notation?

Louis wants to carpet the rectangular floor of his basement.the basement has an area of 864 square feet.the width of the basement is 2/3 it's length. what is the length of louis's basement

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.