Kim surveyed 80 students at her school and found that 0.65 of the students she surveyed said their favorite class is math. Anoth
2 answers:
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We are asked to sum the two trinomials 
. We can start by using the distributive property to remove the parenthesis, giving us 
. Next, when we combine like terms, we get 
. Hope this 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 :)