I NEEED HEL pLZZ A student bought concert tickets online . the total cost , c, in dollars , of t tickets can be found using the function c= 24.50 + 9.50 . if the student spent a total of $ 83 , how many tickets did he buy ?

Initially 100 milligrams of a radioactive substance was present. after 6 hours the mass had decreased by 4%. if the rate of decay is proportional to the amount of the substance present at time t, find the amount remaining after 24 hours. (round your answer to one decimal place.)

What is the distance between the points 4,10 and -3,-14 on the coordinate plane

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.