4, 5, 50, 510, 511 what is between 5 and 50

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.

What’s the answer ? use the picture to see the problem

What is the radical expression that is equivalent to the expression 27 1 over 5?