exam
Maths Puzzle
Numerical Ability
find the vertex of the parobola f(x)=-4x^2+40x-93
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exam Other Question
one number is 4 less than 3 times
another number.
c 4 5 6 7 8
d 8 11 _ _ _
Can you please help me simplify this: 3y - (4y + 6x)