Answer:
5 hours must pass
Step-by-step explanation:
Graph the equations y = 2x + 100 and y = -6x + 140
Then find the x intercept of their intersection, in this case, that is 5
Answer:
4.
or -5 (It's a negative slope)
5. 0 (It's a horizontal line)
6. 
Formula: 
Answer:
When we are dividing exponents, there is this rule:

So, in our case we have this:

