Answer:
Radius: 22 Circumference: 138.23
Step-by-step explanation:
The radius is half of the diameter so 44/2 is 22.
The circumference can be found by 2*pi*r or pi*d.
or 
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Answer:
b<negative 4/7
Step-by-step explanation:
negative 4/7 plus5/7= 2/7
so b has to be less than negative 4/7.
Answer: yes
Step-by-step explanation: