Answer:
Line B
Step-by-step explanation:
I found the slope of Line B, it was -2, by looking at the distance rise/run between two points in the line.
Hope this helps. :)
Answer:
0.077994
Step-by-step explanation:
Given that the owner of a local nightclub has recently surveyed a random sample of n = 250 customers of the club.

(Right tailed test)
Sample size = 
Sample mean = 30.45
Mean difference =
Sample std dev s = 5
Sample std error = 
Test statistic = Mean diff/std error = 
Since population std deviation is not know we use t test
p value = 
They are because they are even and the exact same
X=-1
-1x2 + 5x-1 +7 = 0
-7+7 =0
0=0
Answer:
He made 16 groups which means 5 Students in each group
Step-by-step explanation:
Because 80 divided by 16 is 5 and 5 is a prime number