exam Maths Puzzle Numerical Ability

In January of the year 2000, my husband John was eleven times as old as my son William. In January of 2012, he will be three times as old as my son. How old was my son in January o

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exam Other Question
multiply (x^4+3)(x^4-5)

and

multiply (-2x-3)^2 SIMPLIFY EACH RADICAL ASSUME THAT ALL VARIABLES REPRESENT POSITIVE REAL NUMBERS

SQ ROOT OF 27 OVER 2+ THE SQ ROOT OF 3