$2.80 each because when you divide 9 by 25.20, you get 2.8.
Answer:
20:12
The ratio of 20:12 or 20/12
Step-by-step explanation:
y=3(x+1)²
note : y ≥ 0 because : 3(x+1)² ≥ 0
calculate x : (x+1)² = y/3
x + 1 = √(y/3) or x + 1 = - √(y/3)
x = -1 + √(y/3) or x = - 1 - √(y/3)
__________
C) 30m3