GUYS PLZ HELP ME ANSWER THIS BECAUSE IF I DONT I CANT GO TO MY DADS HOUSE THIS WEEKEND

For the function, f(x) = -5x 2, find f(-4).

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.

Somone me i want to know what 18 hours out of 24 hours in a fraction