1. 2x+2
2. 4x to the second power-4x-8
I hope this will help you.
Answer:
8
Step-by-step explanation:
3x24=72
4x20=80
80-72=8
Hi! This is just a simple multiplication problem!
So he recieves 7 dollars for each vacuum cleaner therefore we must multiply 7 by the amount he sells.
7*30 =210
7*35=245
7*40 280
That means he will earn somewhere between 210 dollars - 280 dollars
Hope this helped!
This would be always true because the positive number would cancel the negative number out.