Someone please help!!!!!! 5−a+4a=
1 answer:
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Ok......... so ignore the pay part, that is not his pay but the 8% comission inclusive of the tax
If the matrix is of 2 by 2 then we can find the determinant of the matrix.
Then (ad - bc ) gives you the determinant of the matrix.
For example,
= (2)(-2) - (1)(4)
= - 4 - 4
= -8