guys i NEED your help if i cant answer this im DEAD ill give you 100 pts AND brainlest PLS HELP ME

Pls brainliest will be awarded if answer is correct

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?

Which of the following statements are true about the graph of f (x) = 1/4 coz ( x + π/3) - 1? select two of the following that apply.