Melanie and michael are on the north bank of a river that is flowing east to west at a speed of 0.5 m/s. they paddle their surf ski in the direction s30°e, also at a speed of 0.5 m/s. if the river is 30 metres wide, how long does it take them to cross the river, and how far downstream or upstream are they? round your answers to one decimal place.

I'll give brainliest if you answer right : )

Yuto and hila attempted to solve the same inequality. their work is shown below. which statement is true about the work shown above? yuto is correct because he isolated the variable correctly and reversed the inequality symbol. yuto is incorrect because he should not have reversed the inequality symbol. hila is correct because she isolated the variable correctly and reversed the inequality symbol. hila is incorrect because she should not have reversed the inequality symbol.

If value of cos330° is √3/2 then find tan165°.