If the federal reserve sets the reserve rate to 4% what is the resulting money multiplier

F(x)=|x| is shifted down 4 units and to the right 3 units.

Danielle earns a 7.25% commission on everything she sells at the electronics store where she works. she also earns a base salary of $750 per week. what were her sales last week if her total earnings for the week were $1,076.25?

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10