Answer: The answer is -x^2 + 12x + 5
In 4 hours they will be 400 miles apart 4 times 55 is 220 and 4 time 45 is 180 since there going in opposer directions add the miles together and it equals 400 so it takes 4 hours
Answer: it think its A
Step-by-step explanation:
Answer:
I think its a two step
welp try your best good luck
