<span>A
and B must be invertible, we have UA=B, since A is invertible. A^-1 exists, by multiplying with A^-1,
we have UA A^-1 =B A^-1. But AA^-1 = I (identity matrix)
and XI=X, for all matrix X, we find UI= B A^-1, and U= B A^-1.</span>
Answer:
40 its c
Step-by-step explanation:
Answer:
16 days
Step-by-step explanation:
108/9 is 12. The late fee is 12¢ per day. 16x12 is 192.