Answer:
Step-by-step explanation:
1 hour=60 min
7 hours=60×7=420 min
number of blink=420×13=5460
Use the law of cosines to find a:

So to use the given numbers you get:

Which would come out to equal about 35.94
so a=35.9
Translation does not affect length.
So the length of E'F' is 5 units.
Answer:
522 miles
Step-by-step explanation:
174 x 4 = 522