Answer: At least 8
Reason: A week has 7 days in it, so when you divide 81 by 7, you get 7.5, so when you round it, you get the number 8
<u><em>If you have any questions, corrections, or problems, let me know. I hope this helped</em></u>
Answer:

Step-by-step explanation:
We are given polynomial as

and it is divided by x=3 or x-3
we can use synthetic division
so, we got
Remainder =5
Quotient is


we can write as

Answer:
Most known one: 4 sides
Step-by-step explanation:
They are closed shapes, their sides should be straight, they are strictly 2 dimensional, and finally, all quadrilaterals have 4 sides.
First you would subtract 18 from 110 and get a result of 92 then divide by 4 and get 23 so each book is 23 dollars hope this helps mark as brainlist