Answer:
add all the sides that you have and subtract it from 180
Step-by-step explanation:
Answer:
b
Step-by-step explanation:
Because when you add up the points you would get (4,3)
Answer:
c
Step-by-step explanation:
because yes i did jajajjaja
This is simple division:

So, plug it into your calculator and you get:

Your answer's that
it takes 4.5 hrs for the surveillance run.