We'll use the notation
for the principal value and
for all the values:

Part I


Part II. In our range we can write


Part III.

Part IV.


Answer:
1
Step-by-step explanation:
you can tell just divide
Answer:
30%
Step-by-step explanation:
Answer:
- C. P’s surface area is greater than Q’s surface area.
Step-by-step explanation:
<em>Refer to attached</em>
With a corner removed, it doesn't change surface area of the cube as same area is exposed equal to the area of 3 small faces.
With the corner relocated to the top of the cube, it covers the area of one small face but adds up small 5 faces (4 sides and one top). In total the P has more surface area than the Q.
Correct answer choice is C.