It would be -4.5 you can get that subtracting each element from the next one.-22.5-(-18)=-22.5+18=-4.5
Answer:
The slope is
.
Step-by-step explanation:
Choose 2 points on the graph.
(7,3) and (2,2)
Use slope formula: 
=
The slope is
.
If you are asking what the square roots of 121 are and what the square roots of 49 are it is:
11^2=121 and
7^2=49
if, however you're asking what the square roots of 121 divided by 49, I don't know. (this sign '/' is commonly used as a division sign so I'd just want to clarify).