Answer:
0.116
Step-by-step explanation:

Answer:
y=x+5+x+5?
Step-by-step explanation:
I'm not sure and I did this not that long ago
"The intersection (∩) of a pair of sets (G and H) is a third set (I) composed by the elements that belong, at the same time, to both given sets."
According to this definition:
Given the sets:
G = {3, 7, 8, 9}
H = {2, 5, 7, 8}
The Intersection is:
G ∩ H = I = {7, 8}
:-)
The cost should be the same on day 3