Answer:

Step-by-step explanation:
Given

Solving (a): Possible union elements
This is the represented by element with the largest number of the sets
i.e.

Solving (b): Possible intersection elements
This is the represented by element with the least number of the sets
i.e.

Answer:
Step-by-step explanation:
Answer:
B
Step-by-step explanation:
this is a rate of time, 60 must be multiplied by the hours to get the days