The maximum height is 64ft and the ballon is only in the air for 2 seconds
Answer:
138 is the answer
Step-by-step explanation:
128 square
Answer:

Step-by-step explanation:
Given


-- folded twice
Required
The area of the new rectangle
When the length was folder, the new length is:

When the width was folder, the new width is:

So, the new area is:



No x does NOT equal 16. you would substitute x for 16 which gives you 16+12. That equals 28 not 30. The correct answer is x=18