The perimeter of a square mat is 64 in. how long is each side?​

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

Answer this question only if you know the answer! 30 points and

How to choose the sign of the radical in the denominator of the formula for the distance from a point to a line.