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Mode is the value that occurs most - which is 7. Median - put numbers in numerical order and find the middle number, which is 11. Mean is the average value so add up all the numbers and divide by the tota...

Waterfalls form when a river flows over an area of softer rock after flowing over an area of harder rock. Due to the softer rock being more easily eroded than the harder rock, the soft rock undercuts the ...

It can be daunting to consider how to structure your exam essay when you are sat in timed conditions, and most likely are feeling very nervous. However, it doesn't have to be as daunting as it seems. The ...

_{A synapse is a junction between neurones. Description of a synapse being a small gap between two neurones.} 

_{Synapses use chemical messengers to pass an impulse of electrical depolar...}

1/10 * 60=6 red marbles 3/5 * 60=36 blue marbles Therefore the amount of green marbles must be 60-(6+36)=18