Answer:
it means y intercept
Step-by-step explanation:
The equation with (x) in dogs and (y) in dollars is 
First, you must set up your equation.

Then, you must add like terms to simplify the equation

Answer:
The present worth of the money is important to understand before dwelling into the true discount. Any money that is to be paid before the due date is cleared off for debt is known as the present worth of the money.
True discount can be understood in reference to this present worth. The difference between the present worth of the money and the amount is known as the true discount.
Also, it can be stated as the interest in any present worth for the amount of time the debt is due to be discharged
(-7 , 13) is the distance