Answer:
i dont
Step-by-step explanation:
know i answerd because i need points
(3, 1), (9, -1), (7, -4), and (1, -2)
(-1, 3), (5, 1), (3, –2), (–3, 0)
+4 +4 +4 +4
(3, 3), (9, 1), (7, -2), (1, 0)
-2 -2 -2 -2
(3, -1), (9, -1), (7, -4), (1, -2)
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Have a nice day.
b
big brain guess
The answer is 20 hours
20x60=1200
1200÷60=20