Answer:
8n+12=36, triplets are 8 years old
Step-by-step explanation:
total age is 36
one of them is 12 years old so -> 36-12 = 24
three triplets so 24/3 = 8
there are three 8 years olds and one 12 year old. n = 3
Answer:
27
Step-by-step explanation:
Answer:

Step-by-step explanation:
Area of a circle.





Area of a square.



Subtract the area of the square with the area of the circle.


I hope it helps.
Brainliest much appreciated.
Answer:
the answer i believe is right angles
A. 2/5
B.2/5
C. The slope of ABC and AGH are equal