1. The product of 23 times f. 3. Five times m to the second power plus 2 or the product of four and m to the second power plus two. 4. four times n to the second power divided by 7 or the product of four and n to the second power divided by 7. 2. The difference of 4 times d to the third power and 10. I hope this helps. I'm not positive I'm right, but I might be.
The question is asking 'how many different ways can we pair two diplomats to shake hand'?
The combination formula is given by:

We have n = 25 and r = 2
Substituting into the formula we have

handshakes
I have question that too but quadratic equations
Answer:
<h2>2x + 3</h2>
Step-by-step explanation:
f(2x) means that we have to substitute x with 2x
So, the answer is
2x + 3