Solve using gauss-jordan elimination
x1 - 3x2 = -5
-3x1 - x2 = 5

What is the square root of 45? (step by step working plz)

Which is a true statement comparing the graphs of x^2/6^2-y^2/8^2 = 1 and x^2/8^2-y^2/6^2 the foci of both graphs are the same points. the lengths of both transverse axes are the same. the directrices of = 1 are horizontal while the directrices of = 1 are vertical. the vertices of = 1 are on the y-axis while the vertices of = 1 are on the x-axis.

8.74 rounded to the nearest whole number