Question 1163190
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a. The (n+1)th shape is the nth shape, with one more column of 4 squares added, and one more square added, high or low, before the columns.<br>
b. The 100th case will have 101 squares alternating low and high, followed by 100 columns of 4 squares.<br>
c. The nth case will have (n+1) squares alternating low and high, followed by n columns of 4 squares.<br>