Answer:
n=m-18. Please Please Please Mark it as brainlist answer. Please I request to Mark it as brainlist answer..
Answer:
7
Step-by-step explanation:
ANSWER
24
EXPLANATION
For a matrix A of order n×n, the cofactor
of element
is defined to be

is the minor of element
equal to the determinant of the matrix we get by taking matrix A and deleting row i and column j.
Here, we have

M₁₁ is the determinant of the matrix that is matrix A with row 1 and column 1 removed. The bold entries are the row and the column we delete.

Since the determinant of a 2×2 matrix is

it follows that

so 
Answers:
1) To emphasize the slow increase in profits, it would be best for Bradley to use <u>Graph A</u> for his presentation.
2) Bradley should use this graph for his presentation becauase the profit <u>appears to increase less</u> on this graph.