Answer:
x < 79
Step-by-step explanation:
The amount they scored (x or any other variable) is less than 79, so you have to use a less than sign.
a=2.4
It is linear in the amount of books being added, and it is exponential is the total amount of books.
Hope this helps! have a great day!
Answer:81
Step-by-step explanation: multiply the volume value by 27
