The function f(x) = {x+ is used to complete this table Which statements are true of the given function? Check
all that apply.

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

What is the axis of symmetry of the function f(x)=-(x+ 9)(x-21)

The perimeter of a rectangle is 42 inches. if the width of the rectangle is 6 inches, what is the length