exam
Maths Puzzle
Numerical Ability
write |x| as a piecewise function.
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exam Other Question
(9-4i)(4+8i)
It says: Determine whether each quadrilateral with the given vertices is a parallelogram, a rectangle, a rhombus, or a square. List all that apply.
Then they give me the points:
M(1,5), N(6,5), O(6,10), P(1,10)
What do I do?