Alison saves 29.26 each month how many months will it take her to save enough money to buy a stereo for 339.12

Select all the statements that apply to this figure

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?

How many and of which kind of roots does the equation f(x)=x3−x2−x+1