Answer: 
Step-by-step explanation:
To find the function h(x), you need to subtract the function
and the function
.

Distribute the negative sign:

Now you can add the like terms:

Therefore, you get that the function h(x) is:

0 and 5 can be in the one's place of a number that has 5 as a factor.
Answer:
Step-by-step explanation:
The answer is 5040 degrees.
Answer: Each time the pentagon is rotated , it maps back onto itself. There are five values of for which the pentagon maps back onto itself. This is the same as the number of sides of the pentagon.