Which shows the image of ARST after the rotation (x, y) → (y, -x)?

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

Find the difference (8ab+a+2) - (3ab+6)

Find the domain and range of the following function f(x) = 51x - 21+ 4