81- answer is ok but im not suree
Answer: 13 questions
Step-by-step explanation:
52% of 25 is 13
25/x=100%/52%
x=13
Answer:

Step-by-step explanation:
-We can use the exponential decay function to estimate the size after 13 years:

Where:
is the size after t years, t is the time, r is the rate of decay and
the original size.
#We substitute and calculate as:

Hence, the forest covers
after 13 years.
Answer:
56 degrees
Step-by-step explanation: