Answer:
using Gaussian elimination method of matrix
Answer:
i think its 10
Step-by-step explanation:
4 6 8 10 15 20 21
The answer is True..........................
Answer:
C
Step-by-step explanation:
all the options can give 9m+27 except C; 9m+12
Sry but I need more information to answer the question. So so sry!