Answer:

Step-by-step explanation:
655*655 is pretty much equal to 655²
the square root of a number to the power of 2 is equal to the number without the power
so √655² would be equal to 655
I’m not too sure height of roof 67
The solution of the line x<5
Whole numbers is positive counting numbers including zero
0,1,2,3,4,5,6,7,8, etc
z<6
0,1,2,3,4,5 are the solution set
so just have those numbers