Answer:
9 miles
Step-by-step explanation:
A 6+3 is nine
Add 5 to both sides of the equation.
x=-14+5
Add -14 and 5.
x=-9
18 is the answer hood this will help you
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