Answer:
19.64
the permieter is 5 so 5/2=2.5 2.5x2.5=6.25 6.25x3.14=19.64
0.57 , 5.07 , 7.05 , 7.5
-10b - 7
Step-by-step explanation:
-11b - 4
- (-b + 3)
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Answer: The answer is d.