Answer:
I believe the correct options are 1, 4, and 5.
Answer:
Step-by-step explanation:
∩
is asking for the intersection of sets
and
, or simply, which numbers can be found in both sets.
The numbers shared between the two sets are
.
Next, we need to union this result with the set
, or simply, combine the numbers in both sets together.
This would result in 
Answer:
I don't really know but I will help you if I can
Answer:
-8/5 is the slope.
Step-by-step explanation:
To find slope, it's the change in y over the change in x. Or rise over run.
That would be 8/5.
And this line would be negative because it is going from left to right.
So your final answer would be -8/5 as your slope.
Answer:
the number of protons in the nuclues of an atom