Well to find the range, you need to take the highest number and subtract the lowest from it:
3 - -97
3 + 97
100
Range is always positive
plz mark me as brainliest if this helped :)
Answer:
Step-by-step explanation:
(1)

(2)
The initial condition is 
(3)
Infinitely many.
A) you cannot combined square roots if the radicands aren't the same.
Its like variables. You can only add like terms. IE You cannot add 2x +3y.
Its the only rule that applies to the problem.
I think it’s all real numbers