Its given that s=n(a+c)/2

Express c in terms of s, n and a ​

What can you determine about the solutions of this system

Either enter an exact answer in terms of \piπ or use 3.143.14 for \piπ and enter your answer as a decimal.

Larry wants to buy some carpeting for his living room. the length of the room is 4 times the width and the total area of the room is 16 square meters. what is the length of the living room