Answer: 10 - 2√21
Step-by-step explanation: I simplified your question by using an online calculator. :)
I think it’s the last one
Answer:
7 1/2 hours I believe is the correct answer. Hope it works!
The answer is D because all the rest of the statments are untrue. d is also right because 4 people walked 3-5 miles and 3 people walked 6-8 miles and as you know, 3+4=7
