Answer:

Step-by-step explanation:
5x 2 - 2x
It means you have to find what number equals 36 but multiplying with 2
The answer is 7.2cm your welcome
The 4th option is correct
Answer:
16 books
Step-by-step explanation:
133$ - 5 dollars for shipping = 128$
128$ divided by 8 = 16
Therefore, the answer is 16 books.