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Timed*** there are 8 rows and 8 columns, or 64 squares on a chessboard. suppose you place 1 penny on row 1 column a, 2 pennies on row 1 column b, 4 pennies on row 1 column c, and so on … how many pennies are on each square? a =   b =   c = d =   e =   f = g =   h =

Given that ot =5, xt=12, and ox= 13 is xy tangent to circle o at t? explain.

What is the correlation coefficient between the variables? round to three decimal places. enter your answer in the box