Elena’s Hair Salon uses an average of 5.4 quarts of shampoo per month. If Elena wants to order for the year, how many quarts of shampoo does she need to order?

One of the inventors of integrated circuits observed that the number of transistors that fit on an integrated circuit will double every 24 months. what type of relationship most appropriately models this situation?

What is the factored form of the following expressions? d^2 – 13d + 36

Write each improper fraction as a mixed number. 9/4. 8/3. 23/6. 11/2. 17/5. 15/8. 33/10. 29/12.