How are bar graphs and segmented bar graph different (name at least 1 way)? Which graph is more helpful for comparing more than one variable at a time?

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.

Evaluate this using ! 0.25^2 x 2.4 + 0.25 x 2.4^2 − 0.25 x 2.4 x 0.65

Which property was used to simplify the expression? 3c+9 +4c=3c+4c+9