Answer:
Step-by-step explanation:
The given information can be tabulated as follows:
Graphics G Printing P Total
X 3 2 5
Y 1 1 2
Available 21 19
We have the constraints as

Thus we have solutions as

I believe it is growth, decay would be the other way around.
Answer:
1/8
Step-by-step explanation:
2 3/4= 11/4
5 1/2= 11/2
11/2 divided by 11/4 = 1/8
Answer:
x = x+9
Step-by-step explanation:
well that is the only way you can do it as we do not know about what x is. also, if you meant by x + (x*9), you can represent that as x*10