Answer: 25
Step-by-step explanation: (x-a)² = x² - 2ax + a²
From x² - 10x + k we deduce that 10x = 2·5x and a = 5
Then k = 5²2
Answer:
A. 138
Step-by-step explanation:
2000 ft x 2= 4000 ft
So the answer is 4000 ft
10/12 12/12 i think , im not sure