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Maths Puzzle
Numerical Ability
Linear Systems
2x+3y-z=1
x-y-z=2
3x+2y-3z=3
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book Other Question
convert to rectangular form (-3,5pie/3) and 2cis(5pie/3). thanks a lot
A = 1/2h(B+b)
area of a trapezoid
solve for b