Answer:
B.9
Step-by-step explanation:
9*1=9
Answer:
A
Step-by-step explanation:
y=x+1
=> put y=5
5=x+1
x=5-1
x= 4
(4,5)
same put y=9
so, x= 8
(8,9)
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Answer:
19/3
Step-by-step explanation:
I looked it up on Papamath