exam Maths Puzzle Numerical Ability

in 1990,the life expectancy in males in a certain country was 63.1 years.in 1996 it was 65.4 years.let E represent the life expectancy in year t and let t represent the numbers si

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exam Other Question
WHAT IS THE ANSWER TO
Y(3Y-8)(5Y+3)=0 Please help me with this.
"Suppose you know the number of sides in a regular polygon,
the lenght of each side, and the distance from each side to the centre.
How can you determine its area?"

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