Answer:
11
Step-by-step explanation:
This is because 11-1=10
Combine like terms
-6x² + (-x²) = -6x² - x² = -7x²
-7x² + 15x + 4 is your answer
hope this helps
Answer:
false it can be in any order but must be according to the set of data
Answer:
rays BD and BC
Step-by-step explanation: