I need help with this question

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

Table which ratio is equivalent to 3: 7? 6: 7 3: 21 24: 56 15: 30

Polygon abcde is reflected to produce polygon a′b′c′d′e′. what is the equation for the line of reflection?