08/26/21

Doug entered a canoe race. He rowed 2 1/2 miles in 1/3 hour. What is his average speed in miles per hour?

I don't understand it I need to know what it means

08/18/21

Prove that 1/tanθ = cosθ/sinθ

Simplify (7 + 2√50) (5 - 2√2). Give your answer in the form a+b√18 where a and b are integers. Show your working clearly.

Simplify (7 + 2√50) (5 - 2√2). Give your answer in the form a+b√18 where a and b are integers. Show your working clearly.

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