Step-by-step explanation:
++++5
+++++++_2
1=false
true
false
false
Answer:
you did not tell us what to calculate in the question
It is given in the question that B is in between C and D.
Therefore

Substituting the given values of CB,BD and CD, we will get

Combining like terms, we will get

Now we need to move 4 to the right side by adding 4 to both sides, that is

Answer:
Economics: A social science that studies how people interact with value!
Hope this helps :D