Answer:
3
Step-by-step explanation:
If x-1 is a factor, then x=1 is a solution. So:
0=1³+1k-4
1k=3
k=3 .........
Answer:

Step-by-step explanation:
Divide n by 100,000.
This gives us the "number of times 100,000 fits in n", or, "how many 100,000's n is", or as the hint says, "how many times larger n is than 100,000".
All represented by this formula:

Answer:
The unit rate is 15 mph.
Step-by-step explanation:
Answer:
1. Isolate
2. Closed
3. Reversed
If you have more problems with things similar to this, I recommend this website, it gives a detailed description on how to solve the equations:
https://www.mathsisfun.com/algebra/inequality-solving.html