You are shipping some books to a friend. A small box will hold 6 books. A large box will hold 18 books. You shipped a total of 54 books in 5 boxes.
How many small boxes and how many large boxes did you use? Define the
variables that you use to write the system.

What value of x is in the solution set of –5x – 15 > 10 + 20x?

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 radical expression that is equivalent to the expression 27 1 over 5?