Find the sum of the first 13 terms of the geometric sequence shown below

4, 12, 36, 108,

the sum of the first 13 terms is?

Jackie purchased 3 bottles of water and 2 cups of coffee for a family for $7.35. brian bought 4 bottles of water and 1 cup of coffee for his family for $7.15. how much does each bottle of water cost? how much does each cup of coffee cost? i need this done

Solve each equation using the quadratic formula. find the exact solutions. 6n^2 + 4n - 11

Select the two pairs of figures that are similar.