Help please a is a common factor of 72 and 120
b is a common multiple of 6 and 9
Work out the highest possible value of a/b

45% of the trees in a park are apple trees. there are 27 apple trees in the park. how many trees are in the park in all?

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

What’s the volume of the triangular prism?