A southwest, to Northeast movement of air. A drop in air pressure. And warm air behind the front.
Answer:
DC equals EC times AC all over BC
Explanation:
The parallel lines divide the segments proportionally, so you have ...
DC/AC = EC/BC
Multiplying by AC gives ...
DC = (EC·AC)/BC . . . . . . matches the 1st Choice
It’s like an oval so round I should say