Can I please get help with this

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

Which number is composite a.9 b.5 c.11 d.2

You roll a fair 66-sided die. what is \text{p(roll less than 4})p(roll less than 4)? if necessary, round your answer to 22 decimal places.