Answer:
18 books per box! :) hope I helped
We are given a system of equations,

This will translate into a 2x2 matrix of coefficients (because 2 equations and 2 unknowns),

The matrix will then be applied to the vector (lower dimensions on top),

And the result vector will be whats on the other side of equals sign,

So to put everything together,

Hope this helps :)
Answer:
1040EZ form should you use to file your tax return.
Step-by-step explanation:
Omg my teachers name is Taylor alsp sorry I don’t know the answer umm anways have a good day I guess Byee
Answer:
Jerald had 2 times a number (x) of balloons for his party. His friend Oscar gave him 5 more as a gift. How much does he have (y)?
Step-by-step explanation:
Hope this helped :)