Answer:
True
Step-by-step explanation:
A rational number means that the number can be expressed as a fraction, where you can have two whole numbers.
There is an equation which is 
Point slope formula:

We know that:
m=-13
y1=7
x1=5
Plug those into the equation to get a final answer of:
Hey there! I'm happy to help!
How many times does 20 go into 48?
48/20=2.4
So, we multiply our amount of flour for 20 cookies by 2.4.
2.25×2.4=5.4
Therefore you would need 5.4 or 5 2/5 cups of flour to make 48 cookies.
Have a wonderful day! :D
y= -1x -3
that's equation of the line