PLEASE HELP!! which of the following rules describes the function graphed below?
A. Output=Input
B. Output=Input - 4
C. Output=5 • Input - 4
D. Output=6 - Input

The system of equations graphed below has how many solutions?

Find the sum of the measure of the interior angles of a polygon of 9 sides ; of 32 sides

12. the amount of money in a bank account decreased by 21.5% over the last year. if the amount of money at the beginning of the year is represented by ‘n', write 3 equivalent expressions to represent the amount of money in the bank account after the decrease?