There is no such number.
A number multiplied by itself added to itself equals 30. What are the two possible numbers?
8.831760866327848
No number multiplied by itself equals 37. 37 is a prime number that you can only get by multiplying 1 and 37.
Anything multiplied by one is itself.
3.464101615
18
8x8 =64
6.2449979983983982058468931209398
10.95445115010332
25.6125
8.3066239