Answer:
$1800
Step-by-step explanation:
Its eight i think at least
The slope of a line on a graph describes how "steep" the curve is by using the rise divided by the run (y=mx+b). The slope on the line graph usually represents how much of an increase or decrease is occurring per each unit
The answer is -18y = 1 because the 5s cancel out
48+40 and 88-40
38+20 and 58-20
38+30 and 68-30