Answer:
Steps in provided image.
Step-by-step explanation:
The <u>correct answer</u> is:
2) disjunction.
Explanation:
A conjunction is when two statements are connected by "and." These are not, so this is not a conjunction.
A disjunction is when two statements are connected by "or." These are; this is a disjunction.
A negation is the opposite of a statement.
A conditional is an if-then statement.
Answer:
There are 8 friends and the presents costs $30,000
Step-by-step explanation:
Let x be the number of students and y be the price of the present. Their contributions can be expressed as:

#Make y the subject in equation i then substitute in ii:

Hence, there are 8 friends and the present is priced at $30,000
Answer: -7
Step-by-step explanation: