Answer:
20x+9y
Step-by-step explanation:
add the numbers that have the same variable(x in this problem)this is also called combining like terms. Then put the other numbers that have different variables. hope this helped
Answer:
$
Step-by-step explanation:
÷ 
= 
Hope this helps
Answer:
What’s the question?
Step-by-step explanation:
The sum of n terms of a geometric series is given by
Substituting the given numbers, you have
There are 6 terms in the series.
So the Correct answer would be all three of them.
This includes 27:18, 12:8, and 21:14.
The math behind this includes proportions.
For instance, if you multiple 3 by 9, you get 37. You have to multiple 2 by 9 now, and you should get 18. This is how all three of the answers are correct!
