exam Maths Puzzle Numerical Ability

Complete the ordered pair so that each is a solution for the given equation.

3x + 4y = 12 (0, ), ( ,3/4), (,0), (8/3, )

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exam Other Question

Simplify, Subtract
3 {{{ sqrt (25x-4)}}} {{{sqrt (25x)}}}
I really would like some help on the rational addition expression...Thank you for all your help!!


n - 2 n^2 + 5n + 10
----- + --------------
n + 4 n + 4