Mrs. maxwell is buying pencils for her students. she has 3 classes of 28 students each. for valentine’s day, she wants to give each of her students 4 pencils. she can purchase packs of 18 pencils for $2.52. how many packs of pencils will mrs. maxwell need to purchase? justify your answer.

The function ƒ is defined by ƒ(x) = (x + 3)(x + 1). the graph of ƒ in the xy-plane is a parabola. which interval contains the x-coordinate of the vertex of the graph of ƒ?

How many zeros does the function f(x)=4x3-x2+1 have

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.