Sin70° cos80° + cos70° sin80°

For each expression use a property to write an equivalent expression.

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?

For each given situation, determine if the method of randomization is either appropriate or not appropriate