Please help me answer this:)

Will give you brainlst ^

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 best way to answer questions with a x expression in the question. for example 3x + 10x=?

Complete the synthetic division problem below.what is the quotient in polynomial form 2/16 -16