Very sneaky noticing this pattern in the answers.
Find common elements in matrix rows
Replace Vector Elements
Side of an equilateral triangle
There are 10 types of people in the world
Solve a System of Linear Equations
Pattern Recognition 2 - Known Unit Length, Various Array Length (including cell arrays)
Self-similarity 3 - Every other pair of terms
Approximation of Pi (vector inputs)
Power Times (of the day)
Calculator spelling - Letters to Numbers
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