The questions is asking which one and i say is graph B
Answer:
Step-by-step explanation:
the answer is 458 because thats the right answer
1584 lightbulbs would be defective out of 4400
Answer:
(10a+5)²= 100 a( a+1) + 25
Step-by-step explanation:
<u><em>Explanation:-</em></u>
Given
(10a+5)²
By using (a+b)² = a² +2ab +b²
= (10a)²+ 2 × 10a× 5 + (5)²
= 100a² + 100a + 25
= 100 a( a+1) + 25