Increase £240 by 30%?

Acylinder has volume 45π and radius 3. what is it’s height?

For which pair of functions is (gof)(a)=|a|-2?

Aword processing program requires a 7- digit registration code made up of the digits 1,2,4,5,6,7 and 9 each number has to be used and no number can be used mor than once how many codes are possible