I think the answer is Sample 4.
Hope this helps!
Answer:
Step-by-step explanation:

Answer:
Acute angle
Step-by-step explanation:
170-100=70
An angle between 0 and 90 degrees is an acute angle.
You solve this, you simply divide 32 by 4 to find out how many you can buy. If you divide 32 by 4, you get 8. So you can buy 8 train tickets in total.
Answer:
B is the correct chose
Step-by-step explanation: