Answer:
3x² + 8x - 9
Step-by-step explanation:
8x² - 5x² +x+7x-10+1
=3x² + 8x - 9
3
5/8
if 1/8 is used for one batch . for five batch=1/8*5=5/8
when you draw a line through both it show that the are parallel and will never touch.