exam Maths Puzzle Numerical Ability

write in simplest form.

x^2 - 18x + 81 / x-9

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exam Other Question

The town of Logville has been experiencing a steady decline in its population since 1980.Records reveal the population numbers recorded in the table below.
x: 5, 10, 15,...
y: 11 15x + square root of 375x^3 all divided by 3x