The first number will be 500
the second number will be 600
and the last number will be 990
Answer:
Option B) 9.1
Step-by-step explanation:
We are given the following in the question:
Average score = 490.4
Standard deviation = 63.7
Sample size, n = 49
Formula:

Putting values, we get,
Standard error =

Thus, the correct answer is
Option B) 9.1
8+(x/-9)=9 subtract 8
x/-9= 1 multiply by -9
x= -9
Answer:
2Ab^2
Step-by-step explanation:
I think its right