The ratio of red marbles to blue marbles is 7:4.what is the total no of marbles

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.

In a graph with several intervals o data how does a constant interval appear? what type of scenario produces a constant interval?

Find the area of the triangle shown 3 by 6