Answer:
Third option: 12x^2+8x+25
Step-by-step explanation:
s1=8x^2
s2=4x^2+15
s3=8x+10
Total perimeter of the pool edge: P
P=s1+s2+s3
Replacing s1, s2 and s3 in the formula above:
P=(8x^2)+(4x^2+15)+(8x+10)
P=8x^2+4x^2+15+8x+10
Adding like terms:
P=12x^2+8x+25
Answer:
umm you have to give us more info
Step-by-step explanation:
without info we can not properly answer the question
-13.213203440000000000000
7th person that walked in would be 66 years old
It's is the Associative Property. I hope that helps!
