Y = -x means y would be the opposite of x
-2 = 2
-1 = 1
0 = 0
1 = -1
2 = -2
Answer:
B
Step-by-step explanation:
You have already asked this type of question. so now you know how to do this.
6 persons means he shook his hand with 5 people.
like wise add all handshakes
5+4+3+2+1= 15 handshakes
He would need 1194 square inches of wrapping paper
