Answer:
what if my moms a chicken?
Step-by-step explanation:
asking for a friend
-30-27= -57
When both numbers are negative, they are “added” in a sense, but remain negative.
-5-(-4)= -1
You have to multiply the (-4) by the “invisible” -1 on the outside before you add/subtract.
Answer:
Slope of the line DV = -1
Step-by-step explanation:
Let point D (-5, 1) be 
Let point V (-1, -3) be 

Plug in the appropriate values,

slope equals -1
It is a good thing to remember. Of course, not all, but some basic numbers that appear all the time such as the numbers from 2 to 13 should be remembered as they appear in numerous assignments and tests.
Ok then after that what’s the question ?