Step-by-step explanation:

Answer:
It depends how you were taught. You could say it's 11 (eleven) or 2.
5 and 5/10s sounds like 5.5 so I'd do 5.5+0.02=5.52
Answer:
Yes, it will fit snugly in a 90º corner
Step-by-step explanation:
To do this, we simply need to check if the given sides of the shelf is right-angled.
So, we have:


To check for right-angle triangle, we make use of:

This gives:




This shows that the given sides of the shelf is a right-angled triangle.
Hence, it will fit the wall
Answer:
31
Step-by-step explanation:
y=kx