exam Maths Puzzle Numerical Ability

Solve

9( 1-x2/1+x2) - 7 ( 2x/1+x2) = 3

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exam Other Question

graph the inequality

y≤-3x 15 movie theater average 600 customers per theater per day. If 6 of the theaters close down but the total theater attendance stays the the same, what is the average daily attendance per theater among the remaining theaters?