exam Maths Puzzle Numerical Ability

2.1y^2-3.5y=4

a(a+2)=-1

6x^2+5x-4=3x-2

4x^2-14x-27=3

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exam Other Question

1/2x-9=0

write in standard form using only intregers
Given:


A potato chip company packages its potato chips into 12.0 ounce bags. You find it hard to believe that the bag contains enough potato chips to weigh 12.0 ounces and wou