PDF chapter test TRY NOW

The graph relates temperatures \(y\)(in Fahrenheit degree) to temperatures \(x\)(in Celsius degree).
 
5.png
 
(a) Find the slope and \(y\) intercept.
 
Answer:
 
Slope \(=\) ii and \(y\) intercept \(=\)
 
(b) Write an equation of the line.
 
(c) What is the mean temperature of the earth in Fahrenheit degree if its mean temperature is \(25^{\circ}\) Celsius? \(^{\circ}\) Fahrenheit.