4a²b⁴ - 25x⁶y⁴
(2ab²)² - (5x³y²)²
= (2ab² + 5x³y²)(<span>2ab² - 5x³y²) By difference of two squares</span>
Answer:
The answer could be A
Step-by-step explanation:
Got this from another Brainly user
I believe it is D, stratified random sampling.
Hope this helps!!
Answer: the answer would be 16 kids walk to school (10 girls and 6 boys)
Step-by-step explanation: