What is the difference of tr(547) − tr(543)?

Answer this question, only if you know the answer. 30 points and brainliest!

Which matrix multiplication is possible?

(08.01)consider the following pair of equations: x + y = −2 y = 2x + 10 if the two equations are graphed, at what point do the lines representing the two equations intersect? (−4, 2) (4, 2) (−2, 4) (2, 4)