Solve given expression.
Note that this problem uses the word solve when it needs to say EVALUATE.
Also the required code to pass the tests shouldn't be available by COPY-AND-PASTE from Test Suite!
Remove any row in which a NaN appears
Add two numbers
Length of the hypotenuse
Array of Ones
multiple of nine?
Convert array of decimal numbers into binary numbers array.
Multiply two polynomials p and q given in in vector representation.
Find cosine between two given vectors u and v.
Pointwise multiplication of vectors.
Count given word x in text.
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