CAN SOMEBODY PLS HELP ME ASAPPP I NEED HELP FIGURING OUT WHAT THE ANSWER IS FOR THIS QUESTION PLEASE

Asequence of numbers begins with 12 and progresses geometrically. each number is the previous number divided by 2. which value can be used as the common ratio in an explicit formula that represents the sequence? 1/2 2 6 12

What is the vertex form of f(x) = x2 + 6x + 3

Suppose a store sells an average of 80 cases of soda per day. assume that each case contains 24 cans of soda and that the store is open 10 hours per day. find the average number of soda that the store sells per hour.