Answer:
C
Step-by-step explanation:
Calculate the slope m using the slope formula
m = (y₂ - y₁ ) / (x₂ - x₁ )
with (x₁, y₁ ) = (- 9, - 10) and (x₂, y₂ ) = (- 2, - 5)
m = = → C
Answer:
same:P
Step-by-step explanation:
Answer:
The temp started at 12.
Step-by-step explanation:
The temp dropped 21 degrees to -9.
Let t be the old temp.
-9 = t - 21
t = 12