You are a member of the BCC Math Club. The club has 15 members. a) How many different ways are there to select the three club officers: "President","Vice President", and "Keeper of the Golden Calculator"? b) A committee of 4 members of the club is selected to plan the annual Pi Day Celebration. How many different such committees are possible?

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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.