Please help with the questions thanks

Looking at this barometer, is the air pressure high or low? what type of weather would you expect? high, bad low, bad high, good low, good

Acertain radio station broadcasts radio waves that have a wavelength of 298cm what is its broadcast frequency?

50 points to who answers this question in a clear and simple explanation : to what hight will a mass of weight of 500 n be raised in 20 seconds by a motor using 4kw of power?