two students in the same Spanish class, Tristan and Nancy, plan to get together after school to make vocabulary flashcards. Tristan started on the project yesterday and has already made 10 flashcards. Nancy hasn't started yet. Since Tristan makes 6 flashcards per minute and Nancy makes 7 flashcards per minute, Nancy will soon have the same number of flashcards. How many flashcards will each student have at that point? Write a system of equations, graph them, and type the solution

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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.