The point-slope form:

We have the slope m = 4 and the point (-1, -3). Substitute:

To simplify this:

You can factor the denominator and then cancel out some terms. But, this is not factorable. So, I think you are missing a term or you wrote this wrong.
Answer:
x+16=45
Step-by-step explanation:
Answer:
3 parts cinnamon.
Step-by-step explanation:
Let's use a ratio:
cinnamon : sugar
1 : 3
3 : 9
We would need 3 parts sugar for this recipe.