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

f)

Answer:
move the decimal in 1.4 two places two the right and do the same with 3.36 then divide
Step-by-step explanation:
52.5
Explanation:
x/18. 30/100 cross multiply 30*18=5250
5250 divided by 100= 52.5
Answer:
actually it's 234
brainliest this was hard
Step-by-step explanation:
Answer:
m<AED = 109
Step-by-step explanation:
180-71=109