What is 2×22×2×2×2×67890

The triangles are similar. what is the value of x? show your work.

An equation of the line tangent to y=x^3+3x^2+2 at its point of inflection is

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.