8x^2+10x-18
The explanation is in the picture below if needed
The equation represented by the table would be the 3rd option - y=|x-3|-3
Please like and I hope this helps :)
3.8 is the answer you already figured it out
First you find the area of the front face 1/2bh or in you case 10x12=120 1/2 of 120 is 60 next you multiply 60 by 20 to get 1,200 for the voulume