Answer:
7 miles per hour.
Step-by-step explanation:
Right now, the relationship in the problem represents 3
miles in hours. To find out what the unit rate is (number of miles per mile), we need to multiply both sides of the equation show BeLoW:
3
= 
7 miles = 1 hour
Therefore, Doug's average speed in miles per hour is 7 (7 miles per hour).
:3))
Answer: if my calculations are right X= -42x
Step-by-step explanation:
Yes ,it is a contact force .Example when a ball touches de floor friction makes it go slow and makes it go up
Answer: the answer is x=12 and x=4