Option C:

Solution:
Given expression: 2 ln 8 + 2 ln y
Applying log rule
in the above expression.
⇒ 
Applying log rule
in the above expression.
⇒ 
We know that 
⇒
Hence, the expression in single natural logarithm is
.
Answer:
C
Step-by-step explanation:
Perimeter=22 inches
Area=121/4 inches
The formula for a circumference of a circle is 2πr
2 × π × 25 = 157
so your answer is A 157in.
I hope I've helped!
Answer:
B.
Step-by-step explanation:
The percent increase when 7200 increases by 1800 is 25 %