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

f)

Answer:
Here's a great website to use for this. It even gives you graph to copy down.
https://www.wunderground.com/history/daily/PABR/date/2009-5-10
Answer: A
Step-by-step explanation:
Subtract 12 from both sides:
y + 15 - 15 < 3 - 15
Simplify:
y < -12
Answer:
Each shirt was $8.30
Step-by-step explanation: