The center of a hyperbola is (−4,7) , and one vertex is (−2,7) . the slope of one of the asymptotes is 2. what is the equation of the hyperbola in standard form?

Given right triangle xyz, which correctly describes the locations of the sides in relation to

Complex numbers multiply √-4 * √-25 and show all intermediate steps. alternative notation is sqrt(-4) * sqrt(-25).

The serenity and the mystic are sail boats. the serenity and the mystic start at the same point and travel away from each other in opposite directions. the serenity travels at 16 mph and the mystic travels at 19 mph. how far apart will they be in 3 hours?