The equation : y = -5x + 9
A=πr²
pool=π(y-4)²=π(y²-8y+16)
total=π(y+4)²=π(y²+8y+16)
walkway=total-pool
walkway=π(y²+8y+16)-π(y²-8y+16)=
π(y²+8y+16-y²+8y-16)=
π(16y)=
16πy
first option is answer
Answer:
Step-by-step explanation:
If you divide 
by 4 (both numerator and denominator)
You get which is equivalent to the given ration
Answer:
The Circle.
Step-by-step explanation:
The Triangle area is 112 ((14*16)/2), the squares area is 100 (10 * 10) and the circles area is 113.1 (6^2 * pi)
Hope this helps!
Answer:
Coefficient is equal to 12
