The sum of two integers is zero, if one is -5, then other is

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

Can some one explain this i got sent this. is this a threat i’m scared

Find two consexutive odd integers such that the sum of their square is 650