4 is the answer because for every green balloon there are 4 red balloons
286 feet; use the numbers and find the area of each rectangle, then add them all together.
Answer:
Some of the prime factors are 1,2,4,5,10,20,-1,-.2,-4,-5,-10,-20, and since 5 is prime you can just start with 5 and 4
Step-by-step explanation:
The next number is 27.
You can find this by finding the common ratio between 3 and 9 and multiplying 9 by the common ratio. The common ratio is 3
