A triangle has a perimeter of 27.6 centimeters. Two of the sides measure 6.9 centimeters and 11.5 centimeters. What is the length of the third side?
please help!

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

Marya wants to factor the polynomial 36x^3 -22x^2 - 144x. which term can she add to the polynomial that would not change its grestest common factor? check all that apply

If g^-1(x) is the inverse of g (x) which statement must be true