Answer:
x=-3, y=-6. (-3, -6).
Step-by-step explanation:
-4x+y=6
-5x-y=21
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-9x=27
x=27/-9
x=-3
-5(-3)-y=21
15-y=21
y=15-21
y=-6
Answer:
2/18, 1/9
Step-by-step explanation:
5/18 + (-1/6)
-1/6=-3/18
5/18+(-3/18)=
2/18
Answer:No 500 minutes is about 8 hours, 1 1/2 hours for 6 days is 9 hours so no he did not stay in his limit
Step-by-step explanation:
Answer: Quadratic Regression model best fits the data set.
Step-by-step explanation: