Answer:

Step-by-step explanation:

Answer:
87q-6
sorry if i am incorrect.
Step-by-step explanation:
Answer:
i believe its 12.55
Step-by-step explanation:
if you add both number, 12.90 and 12.20, then divide by 2.
you'll will gain the same result
Radius times 2 = diameter which would be 10 times 3.14 is 31.4 so it’s 31.4
-5 is the answer I believe