17% of 19,700 = 3349. So if you add 3349 to 19,700 you get 23,049. So it sounds like it's around a 16-17% markup.
The maximum value of a is 10, when b is 0
Answer: My friend is correct.
Step-by-step explanation:
<em>Adding a negative is the same as subtracting a positive.</em>



Hope this helps! Have a great day!
Answer:
-3w^2+5x^2-5w
Step-by-step explanation:
Combination numbers of ways=10