Help for brainlest and good luck

Of of at a : $6, $8, $7, $6, $5, $7, $5, $7, $6, $28, $30 is?ato .ato .ato .ato .

What is the sum of the geometric series in which a1 = 7, r = 3, and an = 1,701? hint: cap s sub n equals start fraction a sub one left parenthesis one minus r to the power of n end power right parenthesis over one minus r end fraction comma r ≠ 1, where a1 is the first term and r is the common ratio

Haquira is baking cookies to put in packages for a fundraiser. shaquira has made 8686 86 chocolate chip cookies and 4242 42 sugar cookies. shaquira wants to create identical packages of cookies to sell, and she must use all of the cookies. what is the greatest number of identical packages that shaquira can make?