Answer:
77
Step-by-step explanation:
The range of the data is largest number minus smallest number.
98-21
77
Answer: B
Step-by-step explanation:
Answer:
3 okie
Step-by-step explanation:
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