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Answer:
10. 2
11. -16
Step-by-step explanation:
Answer:
The parenthesis go around the 12 and 6, just like this. (12 - 6)
Answer:
r=41/2
Step-by-step explanation:
The radius of a circle is always half it's diameter. In this circle, the diameter is 41 centimeters, so the radius would be half of that- which is 41/2 or 20.5 cm.
Hope this helps!