What is the distance from point P(x,y) to the line Ax + By + C = 0?
find radius of cone
Rounding off numbers to n decimals
length of a vector
Convert yards to feet
Variance computation (★★★)
Doubling elements in a vector (★★)
Mo money, mo math 1! (★★★)
PEMDAS test (★★)
Sum of elements of a vector (★★★)
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