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

f)

Answer:
Equilateral triangle
Step-by-step explanation:
equilateral triangle is a triangle in which all three sides have the same length
Answer:
ur correct it's A. trust me u look up all the definitions to the other than A. they gonna be wrong already looked em all up
Answer: D. 170
Step-by-step explanation: