Carl is boarding a plane. he has 2 checked bags of equal weight and a backpack that weighs 4kg the total weight of carl's baggage is 35 kg. write an equation and solve

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

Solve the triangle. a = 21°, c = 105°, c = 5

Answer! if you don’t mind, can you explain