Answer:
x^2 - 49= (x+7) (x -7)
Step-by-step explanation:
In equation A, c = 7
In equation B, d = 5
Answer: yes
letter a is -1,3
its pretty easy
Answer: Its B
Step-by-step explanation: Hope this was helpful I am not to sure this is the right answer but let me know if it is
S=d÷t
200m÷25S
=8m per s