Since this is a percentage, all you have to do is divide 21 from 80 and multiply that by 100
21/80 = .2625 * 100 is 26.25
The answer closest to this is 25%, so the answer is 25%
Hope this helped! :D
Answer:
1. 180-(46+14)=120
2.46+14+120=180
Step-by-step explanation:
Solution: (3x + 4y - 3z) x (3x + 4y + 3z)
