Answer:
Step-by-step explanation:
(a - b)² = a² + 2ab + b²
Area of square frame =side²
= (2b - 1)²
= (2b)² - 2*2b * 1 + 1²
= 4b² - 4b + 1
Answer:
68266==874624./4
Step-by-step explanation:
77353877473=287365-2874662kkh=2875
Answer:
3x2+15x+30 with a remainder of 68
Answer:
22.25 feet
Step-by-step explanation:
The height difference between the posts is 9 feet.
Use Pythagorean theorem:
c² = a² + b²
24² = 9² + b²
b = √495
b ≈ 22.25
