X + 25 - 10. 25-10 is 15 so you had 15 after class. You must had 8 sheets of paper because 8+25=33. 33-15 is 18. So, you had 8 sheets of paper before class. Hope this helps!
If it’s a half circle, the central angle should be 180 degrees.
Answer:
2, the lower quartile
Step-by-step explanation:
What's the question though?