How do you find total area of a cylinder

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.

How to find the exponential function y=ca^x, with points (1,2) and (2,1)

Use the elimination method to solve the systems of equations.choose the correct ordered pair. 7x+4y=39