Ayúdenme es urgente 1. Escribe una expresión lineal con variable x, que valga 1 cuando x = 1 y valga 7 cuando x = 3. 2. Escribe una expresión lineal con variable x, que valga −1 cuando x = −1 y valga −5 cuando x = 0.

Aconstruction worker needs to put a rectangular window in the side of a building he knows from measuring that the top and bottom of the window have a width of 8bfeet and the sides have a length of 15 feet he also measured one diagonal to be 17 feet what is the length of the other diagonal