Answer:
Step-by-step explanation: try your best
By moving the signs he actually changed the number itself. He changed -6 from a negative to a positive and 5 from a positive to a negative. Both equations give different answers.
Hopefully this helps :)
Answer:
slope= 10/9
y intercept= -11/9
Step-by-step explanation:
9y= 10x -11
y= 10/9x -11/9
slope= 10/9
y intercept= -11/9
First, you do 18 miles times 3 hours.
The answer is 54
The you do 15 miles time 2 hours
The answer is 30
You can add them all up and get 84 miles total. (D)
