exam
Maths Puzzle
Numerical Ability
4(x – a) – (16b – x) = a – b solve for x
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exam Other Question
Evaluate b^2 - 2bc + c^2 if b = 3 and c = -2.
3^2-2*3*(-2) + -2^2
I came up with 17. Is this right?
Give the center and the radious of the cirle.
(x-5)square+(y-1)square=25