Asap 25 pts + brainliest to right/best answer

The interior angles formed by the side of a hexagon have measures of them up to 720° what is the measure of angle a

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?

Solve 4 ln x=2ln25 a) x=5 b) x=25 c) x=625