Answer:
Option D is correct
Step-by-step explanation:
The identity matrix is the matrix, in which, the diagonal elements are 1 and all of non-diagonal elements are 0.
Hope this helps!
Answer:
C. 
Step-by-step explanation:
1. 
2. 
3. Equation solutions:
Powerss of three are 3&+^x
lets try trial and error
3^1=3
3^2=9
3^3=27
3^4=81
3^5=243
3^6=729
3^7=2187
3^7 is more than 100 so the answer would be the powers up to 6
Answer:
23 and 33
Step-by-step explanation:
23+33=56
33-23=10
