2 liters is more because there is 64 ounces in 1/2 a gallon and 2 liters has 67.8 ounces
0.9 = -4.7 - 0.6z
0.9 + 4.7 = -0.6z
5.6 = -0.6z
z = 5.6 ÷ -0.6
z = -9.33
Q = 3s - 9/6
q = 3(s - 3)/6
q = s - 3/2
6q + 9 = 3s
6q + 9/3 = s
3(2q + 3)/3 = s
2q + 3 = s
s = 2q + 3
Answer
it is the highest power combined that one expression has, in this case its 5u^8, thus the degree is 8
You have to multiple 3 times somithing then you just sudtart that to get 18