You must first attach the problems with your question.
Answer:
finite set is this
Step-by-step explanation:
even number less than 50 is finite set
Answer:
n = 5
Step-by-step explanation:
3n + 8 = 23
- 8 - 8 Subtract 8 from both sides
3n = 15
n = 5 Divide both sides by 3
Answer:
C
Step-by-step explanation:
Sorry if im wrong i tried my best
Answer:

Step-by-step explanation:
The union of two sets P and Q, denoted as
is the set of all elements that are in the set P or in the set Q or in both sets P and Q.
Given:
P = {7, 8, 9, 10, 11}
Q = {1, 2, 3, 4, 5}
Then

When writing the union set, simply write all elements from both sets in on set.