The temperature started at 89°f. if the temperature went up 6°f and then down 12°f, whats is the temperature difference relative to the high temperature?
a) −12°f
b) −6°f
c) 6°f
d) 12°f

Julius sold five times as many computers as sam sold last year. in total, they sold 78 computers. how many computers did julius sell?

Two cyclists 84 miles apart start riding toward each other at the same. one cycles 2 times as fast as the other. if they meet 4 hours later, what is the speed (in mi/h) of the faster cyclist?

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.