exam Maths Puzzle Numerical Ability

Toy blocks are used to build a tower. The surface area and volume of the tower built with these blocks is shown in the table below.

MODEL TOWER VALUES

NUMBER OF BLOCKS/

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exam Other Question

Solve without using a calculator. Express your answer in simplified radical form.
(x - 2)2 = 3 Write the equation of the line that passes through point (0, -9) with a slope of 6.

i wrote one but i am not sure that i got this correct can you help? thank you