Answer:
y=1/2x-2
Step-by-step explanation:
Hope this helps!
.19 seconds
This is because 12.38-12.19= .19
N-10=5-4n
n+4n=5+10
5n=15
n=3
David will finish first, because if you divide Brad's miles by 2 to his miles in a 1/4 of an hour are 5.95 miles. This means David went 6.2 miles in the same time that Brad went 5.95. Therefore, David will finish first.