given a matrix, just find the mean of all elements in the matrix
easy problem just try
Times 2 - START HERE
Angle between two vectors
Multiply by 3
Given the variable x as your input, multiply it by four, then divide it by two. Then put the result in y.
Find remainder when x is divided by 3
first element of matrix
multiply an array by its position number
Calculating selling price
find a specific element from an matrix
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