If an author can write 365 words in 5 minutes. if he takes 120 minutes how long is his novel

Franco wants to double the volume of the cone. what should he do?

Hi my sisters and brothers can tell me the answer because i don’t understand the question

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?