ummmmmm you dont need the explanation and I'd rather not type but trust me its d, good luck!
If the number of days is d and he writes 3 pages for every d, then we can say
3d = 81
Answer:
slope = 2
Step-by-step explanation:
Calculate the slope m using the slope formula
m = (y₂ - y₁ ) / (x₂ - x₁ )
with (x₁, y₁ ) = (- 2, - 6) and (x₂, y₂ ) = (2, 2)
m =
=
= 2