Which of the following explains the relationship between angles a and d

Which system of linear inequalities is graphed? can somebody please

Arefrigeration system at your company uses temperature sensors fixed to read celsius (°c) values, but the system operators in your control room understand only the fahrenheit scale. you have been asked to make a fahrenheit (°f) label for the high temperature alarm, which is set to ring whenever the system temperature rises above –10°c. what fahrenheit value should you write on the label

Asystem of equations has 1 solution. if 4x-y=5 is one of the equations , which could be the other equation ?