What information do you need to describe an object's location?

Hi the answer to that question is you need to know the longitude and latitude 

If one were to put the y value into the equation, they could find out what x is for a certain value of y.  putting in the value of y (1), we get the equation: 1=4x-12=4xx=0.5this means that the value of x when why is 1 is x=0.5

Answer(b) both involve the use of levers;