Any number above 1 gets greater, below 1 smaller (when above 0), while 1 itself remains the same. Negative numbers are more unpredictable.
Here is how to work the problems and write the expressions.
Answer:
Im kinda sure its a because
Step-by-step explanation:
through points<u> (2, 19)</u> A says Misaki had<u> </u><u>2 </u>identical pencils that weighed a total of <u>19 </u>grams, where x is the number of pencils and y is the total weight of the pencils.
Answer: 
Each term is half of the previous one, so the common ratio is 1/2. Then to get from the first term to the nth term, you have to take n - 1 steps, multiplying by 1/2 each time and by 6000 to account for the first term.
i hope this helps! :D
Ghi=j
h/gi=j/gi
h=j/gi
the sign "/" means divide by