Answer:
c
Step-by-step explanation:
Reflection across the x-axis reverses the sign of the y-values
As they are traveling in opposite directions you need to do 50 + 40 to find out how far apart they travel every hour. 50 + 40 = 90. So you know that they are 90 miles apart every hour.
180 / 90 = 2. so you know that it takes them 2 hours to be 180 miles apart.
Answer:
i dk bc u not doing it right.
Step-by-step explanation: bc vnvjnfnj