a) (2a - b)² = (4a² - 4ab + b²)
b) (10m - n²)² = (100m² - 20mn² + n⁴)
c) (4x - 4²) = (16x² - 8x + 4⁴)
d)
e)

f)

Answer:

Step-by-step explanation:






286
588
300
:) your welcome
Answer:
its not 80k/3000 someone answer
Step-by-step explanation:
Answer:
I really don't know but this is a bad guess 11 inches but don't hold me accountable