#1 : ( 3 , - 2 )
~~
#2 : ( - 1 , 4 )
~~
I hope that helps you out!!
Any more questions, please feel free to ask me and I will gladly help you out!!
~Zoey
The <em>echo</em> number 20222022202220222022 is the <em>perfect</em> square of 4496890281.
<h3>What echo number is a perfect square</h3>
An <em>echo</em> number has a <em>perfect</em> square if its square root is also a <em>natural</em> number. After some iterations we found that <em>echo</em> number 20222022202220222022 is a <em>perfect</em> square:

The <em>echo</em> number 20222022202220222022 is the <em>perfect</em> square of 4496890281. 
To learn more on natural numbers, we kindly invite to check this verified question: brainly.com/question/17429689
DATES: The rule amendments will become effective October 29, 1999. Section IV of this release contains information on compliance dates.
Answer:
Mean: 11.2
Median: 11
Mode: There is none
Step-by-step explanation:
mean -you add all the numbers and divide by the number of numbers
median- you arrange the data set by numerical value (increasing) and it is basically the "middle number" for example 1, 2, 3, (2 would be the "middle" number" )
mode- is the number that appears most often. in this scenario, all numbers appear the same amount of times (1) so there is no mode.