What is 1 + 1
if the answer is 2 then why is it 2​

In the diagram below what is the approximate length of the minor arc ab

Carson has only $20 bills and $10 bill in her wallet. the total value of the bills is $50. she has 1 more $20 bill than $10 bills. how many each kind of bill does carson have? a. one $20 and two $10 bills b. two $20 bills and one $10 bill c. one $20 bills and three $10 bills d. two $20 bills and two $10 bills

4. find the geometric mean of 4 and 12. 24 8