this is how I would do it
Answer:
y= 4x + 10
Step-by-step explanation:
It would equal this because mark buys 4 boxes x and he donated 10 dollars. So it would be that. You could also plug in 5 for x so it could be
y= 4(5) +10
But, either one should work.
The matrix that best represents the linear system of equations must be written vector by vector in each of the rows. That is, components x in column 1, components and in column 2 and component z in column 3. In column 4 you write the results. Attached solution.
Answer:
...............They took -1800....
...