exam Maths Puzzle Numerical Ability



5x + 8 + 3x - x + 5 = 6x -3

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exam Other Question

f(-1)=3x^2-2x Racquetball. The volume if rubber (in cubic centimeters) in a hollow rubber ball used in racquetball is given by
V=4/3 pie r ^3 - 4/3 pie r^3
Where the inside radius is r centim