Solve for the indicated variable r-6m=n for "r"

The graph of a hyperbola is shown. what are the coordinates of a vertex of the hyperbola? (0, −4) (−3, 0) (0, 0) (0, 5)

Aright triangle has an area of 21 m2. the dimensions of the triangle are increased by a scale factor of 4. what is the area of the new triangle

Pl approximate the value of 13−−√ to the nearest tenths place. plot the approximation on the number line.