Bob bought 5 packs of toilet paper for $42.50. Which equation can be used to determine the price, p, in dollars, of 1 pack of to
1 answer:
You might be interested in
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
