Answer:
1. 70%.
2. 45%
3.-15%
4. 20 something%?
5. 50%
Step-by-step explanation:
increase of 70%
im not sure sorry!
decrease of 15%
im not sure
im so sorry i do not know all of them, but i know some!
ive seen this before its not to teach what you think stay away from it
- 2( 8x^2 - 12x - 15 )
= 8%