Answer:
-2.9
Step-by-step explanation:
You are really subtracting. Note that if you have a positive & negative sign directly next to each other, you will subtract:
-1.2 + (-1.7) = -1.2 - 1.7 = -2.9
-2.9 is your answer.
~
n=15
= 5i
5i
part a is 50 and 1/2 miles
can you explain part b more because I don't understand it