What would be the exponent of m if (m5)9?

Consider the diagram. which line segment has the same measure as st? rx tx sr xs

Which is the equation of an ellipse with directrices at x = ±4 and foci at (2, 0) and (−2, 0)?

George has seven boxes of five pencils. giulio three boxes of eight pencils. one of the boys arranges all his pencils equally into two groups. was this george or giulio how many are in each group explain