Answer:
i dont know
Step-by-step explanation:
Answer:
k=1/3; k=-2/5
Step-by-step explanation:

After consideration I'm not sure but I think x=3 and y=6 I'm not a math whiz but this made sense to me.
Answer:
27.5
Step-by-step explanation:
To find the mean you basically just add all of the numbers then divide by how many there are.
So, for this problem, 19+22+24+45=110
110/4=27.5
Hope this helped!!