exam Maths Puzzle Numerical Ability

Factor completely:

27x3 - 8y3

Must use the “difference of two cubes method”

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exam Other Question

A robin is flying south for the winter at a rate of 40 mph when it runs into a hurricane, blowing due west at 100 mph. What is the new velocity of the robin? I need help please!!! The floor of the bakery is a rectangle that is 36 ft by 27 ft. The floor needs to be covered with tiles that are 3 ft by 3 ft. How many tiles do you need to cover the floor with no overlaps?