The sets are (1,-1) or (-1,1)
Lets see
Take until 4terms
#1
(1,-1)
(-1,1)
#2
(1,-1)
(-1,1)
Hence verified
Another set can be (0,0)
Proof:-


Hence verified.
10
A) 24 ribbons
B)1/28yards
11.u have 1/2 how?
Answer:
25 feet
Step-by-step explanation:
Multiply 2.5 and 10