Answer:
The slope is
$0.1774 / pounds
Step-by-step explanation:
From the question we are told that
The weight of the rat is 
The cost of feeding the rat per week is
$4.50
The weight of a Beagle is 
The cost of feed a Beagle per week is
$9.20
Now the slope can be evaluated mathematically as

substituting values

$0.1774 / pounds
Answer:
Step-by-step explanation:
5y - 2y = 10
3y = 10
y = 10/3 = 3⅓
Answer:
17
Step-by-step explanation:
6ft and 2 in === 74 in
4ft and 9 in === 57 in
74-57 = 17 in