exam
Maths Puzzle
Numerical Ability
Write in standard form: -i+(7+5i)-3(2-3i)
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exam Other Question
Add or subtract as indicated. Express your result in simplest form
3/ x^2 + 4x +3 - 1/ x^2 - 9
Solve the system by addition.
5x - 3y = 13
4x - 3y = 11