Simplify 3x+(-12x)-5x a)-14x b)-9x c)10x d)20x

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.

For each proportion find the unknown number x 1/5/8=×/15

Which of the following represents the length of a diagonal of this trapezoid?