Answer:
Its D DLSR and Mirrorless
Explanation:
Tell me if you get it wrong or right :3
I know that this might be wrong but is it light?
Answer: 37.1
Explanation: The Law of sines states that there is a proportionality between a side of triangle and its correspondent angle, i.e.:

where:
a, b and c are sides
A, B and C are angles
In the question, there is a triangle with 27.4 as a measure of side a, angles A and C. So, it wants the side c:


c = 
c = 37.1
The side c is 37.1
Answer:
First, medium: can see all the subject but maintain the focus in him
Second, close-up: To se the facial expressions and emotions
Answer:
See explaination
Explanation:
Somehing is considered functional dependent (FD) if a relationship between two attributes, typically between the PK and other non-key attributes within a table. For any relation R, attribute Y is functionally dependent on attribute X (usually the PK), if for every valid instance of X, that value of X uniquely determines the value of Y.
Please kindly check attachment for the other details.