If 1 litre of petrol costs 121.0 pence how much does 0.54litres cost? need to know how to work out 0.01 litre cost if thats possible ?

Can someone check my answer? you

The perimeter of a stage is 116 feet. it is 17 feet wide. how long is it?

Aman is 6 feet 3 inches tall. the top of his shadow touches a fire hydrant that is 13 feet 6 inches away. what is the angle of elevation from the base of the fire hydrant to the top of the man's head?