Atlantic Records

(2) The number of tiles needed for n x n square, plus the number of tiles needed for the top two rows, each with n tiles. (3) The number of tiles needed for a rectangle with a height of 3 and a width of n, plus the number of tiles needed for the remaining rows, each with a width of n. Expression Choices: (1) n n+2 (2) 3n+n n-1 (3) n 2 +2n 6. ................
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