17-(-15)=32
17-0=0
They are not equivalent so they are different.
Also for future reference when you have 2 minus signs they equal a addition sign.
Hope this helps :) GL
Answer:
The step which is not necessary is,
- Determine the shaded area for each line.
Step-by-step explanation:
The step which is not necessary when solving this system of equations by graphing is,
- Determine the shaded area for each line.
Answer: uhhhh 4
Step-by-step explanation:
3 4 c d
Answer:
(r^9-s^10) (r^18+r^9 s^10 + s^20)
Step-by-step explanation:
hope this helps :)