Find the equation of the line through the point (6,-1) that is perpendicular to 4x+3y=9

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.

What is not true about kl and mn? what is mn? (show your work)

Simplify 15(x - 4)(x -1)-3(x + 4)(x - 1) with steps