because there are 12 in one layer and there are 3 layers
The sum of their age is "s" years? Please fix the typo. Then I might be able to help :D
111 would be the y-intercept. This is because 111 is on the y-axis.
Answer:
4/3 or 1.3333333...
Step-by-step explanation:
2 x (3x + 1)-4 = 6.
6x+2-4=6.
6x+2=10
6x=8.
X= 1.3333333... OR 4/3
