exam
Maths Puzzle
Numerical Ability
state weather the ratios are proportional
1. 50 over 40 equal 5 over 4
2. 12 to 11, 36 to 33
3. 20:40, 1:2
4. 33 over 36 equals 44 over 48
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exam Other Question
a^2-8a over (a+2)(a-8)
please help set this up show work
please help
simplify
4^0 - 64/2^4 - (-3)^0 - 3^0 - 2[(-3-2^0) - (-3 -2)]