Answer:
option b is better because it would be 6 pounds cheaper than option a
71 is the answer. If you round it, it would be 70.
Check the picture. There are 2 interior common tangents, and 2 exterior common tangents which can be drawn.
Answer: 4
Answer: 205 lbs
here are all the answers http://washburn.mpls.k12.mn.us/uploads/normal_calculations_practice_key.pdf
Step-by-step explanation: