How many terms are there in a geometric series if the first term is 7, the common ratio is 2, and the sum of the series is 105? hint: (image attached below)  r ≠ 1, where a1 is the first term and r is the common ratio. options a) n = 3 b) n = 4 c) n = 5 d) n = 6

Liz is shipping a package to her friend. the maximum weight of a medium flat-rate box is 20 pounds, including the box which weighs 6 ounces. write and solve an inequality to describe the possible weight in pounds, w, of the contents that liz will ship to her friend if she must use a medium flat-rate box. use the drop-down menus to explain your answer.