Carlos is using a number line to add another integer to –4. he begins by showing –4 on the number line, as shown below. carlos adds the other integer on the number line and says that the sum is negative. which is true of the number carlos added to –4?

Use the normal approximation to the binomial distribution to answer this question. fifteen percent of all students at a large university are absent on mondays. if a random sample of 12 names is called on a monday, what is the probability that four students are absent?

Determine whether the set of whole numbers is closed under addition. explain why the set is or is not closed. give an example.

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.