Answer:
Ph of 7 is considered neutral.
Step-by-step explanation:
Y=(-x)^3-4 the last one hope this helped on time!! If u ever need help with this u can use the desomos calculator it’s perfect for graphing good luck!
Here's two. I can't think of any more.
20/10
20-(-10)
Answer:

Step-by-step explanation:
