Answer:
Each square, the area is the square of the respective lengths
Step-by-step explanation:
Kindly see the attached file for more explanation
Answer:

Step-by-step explanation:
For a cylinder:

where v is the volume, r is the radius of the cylinder, and h is the height.

Answer:
37 Degrees.
Step-by-step explanation:
I answered it on edge.
Assuming the keypad has all 26 letters and the numbers 1-9 there are 2106 possible codes
9x9x26=2106