exam Maths Puzzle Numerical Ability

Are the ordered pairs a solution of 4x+6y LESS than or = to 48

ordered pairs::: (5,5), (10,-2), (-2,10), (6,4)

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exam Other Question

9-(-2)(-7)= a theater-in the round is constructed so that they audience surronunds the stage. Such theaters are not always circular in shape, they may be regular polygons as well. The sides