Answer:
0
Explanation:
If an M:N relationship is mandatory on one side and optional on the other side, and if both relations resulting from the entities involved in the relationship each have 3 records, then the resulting bridge relation cannot have less than ____0____ records.
this is a problem under ER model
Answer:
1852200
Explanation:
The number of ways in which all the works are sold = Number of ways of the selling of 4 Dalis × Number of ways of the selling of 5 van Goghs × Number of ways of the selling of 6 Picassos.
Also, number of ways in which n things can be distributed into k things are = 
k = 5
Thus,
Number of ways = 
= 
= 1852200
<u>Problem of classical economics pointed by John Maynard keynes:</u>
He was complaining about economists who believed that unemployment would be reduced or eliminated after the recession if the market is not somehow stimulated or steered in right direction. He agreed that this strategy can work in long run, however, in short run, it would pose some problems due to people’s nature of hoarding money and banking preferences.
The classical economists believed that in the midst of a great depression and recession, the government should not do much and the economy would recover on its own which may take decades for such to happen.
Answer:
No.
Explanation:
People can be in bad mood sometimes. Maybe your student is out of control with her/his anger.
