Used dvds are on sale for a price of 5 for $20. at that price, how much will is cost to buy 12 used dvds?

Ametalworker has a metal alloy that is 30? % copper and another alloy that is 55? % copper. how many kilograms of each alloy should the metalworker combine to create 90 kg of a 50? % copper? alloy?

Plot the points (0,6), (3,15.8), and (9.5,0) using the graphing tool, and find the function

Tyler enjoys the fish so much that after his birthday his family decides to take him to a famous aquarium a tank at the aquarium is similar to his tank with the scale factor of 8 how many times greater is the volume of the tank at the aquarium than the volume of tyler tank