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
"Main" goes in the blank. For example in C++ all of your code goes in the main function.
Answer:
applications
Explanation:
In an information system, applications or software are indispensable. This is because the entire data/info processing pipeline running on daily basis have been digitized. Users are heavily rely on the applications to gain and store new data, to manage and process the data and to deliver the necessary output. The applications enable the entire data processing work become more efficient, systematic and also more secure.
Answer:
A GUI (graphical user interface) is a system of interactive visual components for computer software. A GUI displays objects that convey information, and represent actions that can be taken by the user. The objects change color, size, or visibility when the user interacts with them.
Simple and easy user interface design can help the users understand what they can do on the website, without confusion when they are loading on the website.
Best practice on the users experiences can help the users to visit the website easily and get what they want as fast as possible. It is the way to improve a website understandability.