Answer:
<h2><u>
All of the above EXCEPT pentagons</u></h2>
Step-by-step explanation:
Well I already explained in the comments and I am pretty sure you already answered the question but for the points :)
Good day!
First One is the bottom one on the first column.
Second one is the top one on the first column.
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The common difference is 4. U know that the formula is the first term + d(n -1). N-1 is 14 so u know that 14 times a number needs to equal 56 because the first term is -3 and 56-3 is 53. 14 * 4 is 56. So the common difference is 4
