What is the value of x?
A)9.4
B)7
C)-9.4
D)-7

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 is the simplified form of (3.25x10^3)(7.8x10^6) written in scientific notation?

What is the equation of a line that passes through points (0, 4) and (-4,-8)?