HELPP: find 'x' in the following

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?

On a cm grid, point p has coordinates (3,-1) and point q has coordinates (-5,6) calculate the shortest distance between p and q give your answer to 1 decimal place

Solve 4 ln x=2ln25 a) x=5 b) x=25 c) x=625