What is the explicit rule for this geometric sequence? a1=4; an=13·an−1 an=4(1/3)n−1 an=1/3⋅4n an=1/3⋅4^n−1 an=4(1/3)n

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

In the xy-plane, if the parabola with equation passes through the point (-1, -1), which of the following must be true?

The diagram shows corresponding lengths in two similar figures. find the area of the smaller figure. a. 14.4 yd2 b. 24 yd2 c. 26.4 yd2 d. 28