Answer:
7
Step-by-step explanation:
63/9 = 7
To find the mean, add up all the values, then divide by the number of values.
1. Add the values
6 + 5 + 8 + 5 + 9 + 6 + 7 + 5 + 12 = 63
2.Divide by the number of values
9 values
63/9
The mean of the data set is 7
f(-5) = 6
f(x) = x + 11
Let x = -5
f(-5) = -5+11
y=p+59
i think its 10
4 6 8 10 15 20 21