Answer:
180
Step-by-step explanation:
UP YOUR NOSE TO THE LEFT THEN THE RIGHT THEN NEXT THING YOU KNOW YOU DON'T HAVE AN EYE ANYMORE YOUR EYELESS
What is the change in the total cost for each book printed?
$25
What is the cost to get started (before any books are printed)?
$1250
Answer:

Step-by-step explanation:
* Lets explain how to solve the problem
- The rule of expand the binomial is:

∵ The binomial is 
∴ a = 10k , b = -m and n = 5
∴ 
∵ 5C1 = 5
∵ 5C2 = 10
∵ 5C3 = 10
∵ 5C4 = 5
∵ 5C5 = 1
∴ 
∴ 
Answer:
The first one
Explanation:
9 and 1/4 are both rational numbers (which are numbers that can be represented in a fraction; 9 can be represented as 9/1)
And since it equals to 9/4 (or 2 1/4) the product is also a rational number.