It defines the sequence as a formula<span> in terms of n. ... Sequence: {10, 15, 20, 25, 30, 35, ...}. Find an </span>explicit formula<span>. This example is an arithmetic sequence(the same number, 5, is added to each term to get to the next term).</span>
I think it’s 1 feet because the tops are touching you have to spread the bottoms apart so it can touch
189 because you have to multiply by 3 twice.