Hermie cuts out 60% of the shapes from his paper. He cut out 12. Enter the number of shapes on Hermie's paper.

Step-by-step explanation:

12 = 60% of x = 0.6x

x= 12/0.6= 20

Paper had 20 shapes. He cut out 12 shapes; 8 shapes remain

this is answer of 144 cubic meters

check above link.

graphically?   well, you graph them both, the solutions is where they both intersect each other, since there are two solutions, meaning they will meet twice, or namely the linear will run into the quadratic curve twice, and where they meet, those x,y coordinates are the solutions to the system.