Answer:
The Integer is -17
Step-by-step explanation:
This is because you must subtract the cost of the shoes from her account
28 - 45 is equal to negative 17
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 and work in picture: