Where is the hole for the following function located f(x)= x+3/(x-4)(x+3)

Agrocery store has 12 lb of trail mix that is 10% banana chips. the store's manager would like to add banana chips to bring the new mix up to 25% banana chips. write and solve a system of equations to find out how many pounds of banana chips manager needs to add.

12x + 1 = 25 solve the following equation. then place the correct number in the box provided.

Solve the system of equations. y= 2x y= x^2 - 15