I believe it is D also and my reason is cause i have the same problem and i got the answer D<span />
Answer:
Step-by-step explanation:
(a + b)² = a² + 2ab +b²
a = y & b = 10
(y + 10)² = y² + 2 *y*10 + (10)²
= y² + 20y + 100
Answer:
see the attachment below
Step-by-step explanation:
Answer:
Option C
Step-by-step explanation:
I took this before