Answer:
u can search on google the example
Answer:23
Step-by-step explanation:
A
to calculate the slope m , use the ' gradient formula
m = (y₂ - y₁ ) / (x₂ - x₁ )
with (x₁, y₁ ) = (1, 3) and (x₂, y₂ ) = (5, 4)
m = = → A
b. 1 gallon to $1.50