The graph shows the speed of a ball in a free fall for 10 seconds. Which is the constant of proportionality shown in the graph? A. 110 meters per second squared
B. 1 meter per second squared
C. 10 meters per second squared
D. 100 meters per second squared

Express the following as a function of a single angle. cos(60) cos(-20) - sin(60) sin(-20)

Lucy and donavan measured the length of the school garden. lucys measurement is 11.3m and donavans measurement is 113 cm. could both be correct? explain

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.