Answer:
The answer to your question is the third option
You must calculate how many ways can 2 people be selected from 65.
The formula is:
n! / r! * (n-r)! =
65! / 2! * 63! =
65*64*63! / 2 * 63! =
65*64 / 2 =
2,080 handshakes
Source:
http://www.1728.org/combinat.htm
C. By three feet 7x5=35 area 7x10=70 area 7+3=10
Answer:
48
Step-by-step explanation:
find 60 on the y axis (for maths) then draw a line to where it meets the line, and see what value it gives. it gives us 48
X=8 I’m not that to sure but hope i helped!