Answer:
I think it would be (1,-2)
Step-by-step explanation:
I can verify that it is a solution because y=1-3 is the same solution as y=-3+1
The results would be x=-2 for both
No. Of white marble n(W) = 2
No. Of black marble n(B) = 1
Total no. Of marble N = 2 + 1 = 3
Prob(1st is white) = n(W)/N = 2/3
Prob(1st is black) = n(B)/N = 1/3
There's 24 seventh graders
What are the choices?