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!
Doubling elements in a vector
Determine the square root
Square a Number
Find the area of a triangle
Calculate the values of a polynomial.
Convert array of decimal numbers into binary numbers array.
Delete x value in given vector y.
Form a square matrix from four square sub-matrices
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