Answer:
6787.8
explanation:
740.16 + 3047.16 + 2149.76 + 850.72 = 6787.8
i dont actually know if this is it so sorry if not
Answer:

Pls....can mark brainliest
There are so many relationships between the original entity and new relation.
The relation mapped from an entity involved in a 1:1 unary relationship contains a foreign key that correspond to its own primary key. 1 to one foreign key will be unique.
MMMLXXXIX
~ hope this helps!
Sum of interior angles = 180
180 - 60 = 120
120/4 = 30
m<L = m<A = 60
m<M = 30
m<C = m<N = 3(m<M) = 3(30) = 90