Answer:
-3
Step-by-step explanation:
Answer:
Friction is a force between two surfaces that are sliding, or trying to slide, across each other.
Step-by-step explanation:
For example, when you try to push a book along the floor, friction makes this difficult.
Answer:
$50 more
Step-by-step explanation:
the mean (average) for a clinic is $150 and a shelter is $100. 150-100 is 50, so it's $50 cheaper