Answer:
D (4,2)
Step-by-step explanation:
you just change the y value to the opposite sign hehe
The correct answer is 18 sides.
You can add the numbers together so:
12.6
3.1
<u>+ 5.4
</u> 21.1
<u>
</u>Since the sum of the numbers is 21.1, it is greater than 20<u>
</u>
False because, you DO add 4 to the sides but you would multiply the 8 because you to the opposite to cancel it out