If f (x)=x^2, then f (4) = 4^2= 16

Write a division equation you could use to find a, the number of miles ava is in charge of. what is the value of a? write your answer is simplist form

Water flows at a steady rate from a tap. its takes 40 seconds to fill a 4 litre watering can from the tap. the rate at which water flows from the tap is halved. complete: 4 litres into cm3

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).