Answer:
possibly he made an image in the photo or this
Explanation:

Answer:
subset([],[]).
subset([X|L],[X|S]) :-
subset(L,S).
subset(L, [_|S]) :-
subset(L,S).
Success:
subset([1,3], [1,2,3]).
subset(X, [1,3,4]). % error handling to compare sets in a given order
Fail:
subset([2,1], [1,2,3]). % compares in a different order from the first.
Explanation:
The function "Subset" in the source code above accepts two sets, then checks if the first set is a subset of the second. The code returns true if the condition is met.
Answer:b)Reserve Room, Enter Contact Information, Enter Reservation Detail
Explanation: The use case is described as actors , actors goal, usage of use cases, units of scope and initial point and terminating point of use cases .
The situation mentioned in the question will take place for the reservation of the room through the instances in the form like filling the contact details for the identification , filling out reservation information as well for getting the knowledge about the room requirement by the person.
These details help in reaching out the particular person if required, number of days he wants to book the room,any extra facility he would like to have etc. After these detail filling activity the room can be reserved successfully.Thus , the most appropriate option is option (b).
Other options are incorrect because room reservation cannot be done without any formality as mentioned in the question and entering contact detail and reservation detail one by one.
Answer:
The formula for the given problem is:
=IF(OR(D2>=2,G2>"Yes"), "Yes", "No")
Explanation:
Please see attachment for step by step guide
The Rhineland was turned into a demilitarized zone because of the Versailles Treaty. -From 1919, Germany wanted to get rid of this zone because it left them open to attack from Belgium, Holland and France. In March 1936, Germany's army occupied the Rhineland.