Sam has a total of 58 dvd's and cd's. if the number of cd's is two more than three times the number of
dvd's, how many cd's does he have?

Answer these questions showing your work plz

Which function has the same domain as y=2x

When you have 25 numbers, and jake picks 3 random numbers and puts them back, what is the chance bob has of picking those 3 numbers when he picks 6 random numbers (without putting them back)? explain.