What is the value of 3x^2+5x+25 when x=3

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 system of equations y= 3/2 - 1, -x+ y =-3

If a is a nonzero real number then the reciprocal of a is