Step-by-step explanation:
yes yours answer is correct .
Answer:

Step-by-step explanation:

You have to prime factorise 81 and then you will get <u>9</u> as the answer.
Answer:
$ 2.72
Step-by-step explanation:
divide 10.88 by 4
Answer:
x = 3
Step-by-step explanation:
if you need an explanation let me know