Answer:
The length is 13m.
Step-by-step explanation:

Answer: 71
Step-by-step explanation:
F(8)= 2(8)^2-7(8)-1
=71
The answer is d i hope this helps even though you prob wont look
<span />
Answer:
F is 0
Step-by-step explanation:
If you divide X on both sides to get X on one side, it will end with F = -2 + 2, which is 0
Answer:
130
Step-by-step explanation:
Assuming everyone handshakes at the meeting. There will be 130 handshakes in total.
It takes 2 people to handshake, and thus to find the number of handshakes we need to do 260/2=130
130 total handshakes
Hope this helps ^^