12. Which of the following is the equation for the maximum volume of the bin that can be made from a sheet of metal that measures 18 inches by 30 inches? a. y = x(30 + 2x)(18+2x) b. y = x(30 – 2x)(18 – 2x)

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Matrices

‘Matrices’ is the plural form of the word matrix, and it is basically a spreadsheet in the form of a box. In mathematics, various functions can be carried out with matrices. Generally, a matrix comes in the shape of a square or rectangle. The elements are distributed horizontally in the form of rows, and vertically in the form of columns.