Answer:
6
Step-by-step explanation:
One of the groups had 4, so subtract that from the 16 total and it leaves 12. Then the 12 are split into 2 groups so they each have 6.
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:
neither
Step-by-step explanation:
they are parallel when they have the same slope and perpendicular when the slope is completely different
Divide both sides by 49/36 to get y by itself:


Simplify this fraction:

Now you have your answer:
Answer:
sorry but i need some points right now so just ignore this
Step-by-step explanation: