Answer:
B. Negative Correlation
Step-by-step explanation:
85
Write the numbers in order
66, 72, 74, 80, 83, 87, 91, 95, 98, 99
Find the middle number
83 and 87 are in the middle, so find the mean of them. 83+87= 170
170/2 = 85.
10 (b+10)
10b + 100
Factor out a 10
10 *b + 10*10
33
it
it is C hope this helps