Will mark brainliest 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

Explain how you can use the associative property to evaluate (7x50)x4.

What are the coordinates of the point that is 1/3 of the way from a to b? a (2,-3) b (2,6)