Simplify. remove all perfect squares from inside the square roots. assume x and z are positive.72x^3z^3

Solve -2(4y + 6) = 52. 5 -5 8 -8 and !

8000 + 8800 + 8000 + 8 million + 80 trillion + another a katrillion equals

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