Find the smallest number by which 6655 must be divided to obtain a perfect cube​

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 describes horizontal cross section of the right rectangle 6m 8m 5m

Does the point (1, sqrt 7) lie on circle shown.