I'm pretty sure that the answer is A
The answers are
1. -12
2. 1
3. -14
Answer:
-150
Step-by-step explanation:
Multiply & Divide left to right

Once again Multiply & Divide

Add & Subtract
Final Answer: 
Answer:
See Explanation
Step-by-step explanation:
Given
--- Number of tryouts
Required
Determine the average distance
<em>This question has missing details, as the distance he hits the ball in each tryout is not given. However, I'll give a general explanation.</em>
<em></em>
The mean is calculated as:

means the sum of the distance in each tryout.
Assume that the distance in the 10 tryouts are: 
So, the mean is:



<em>So, the average distance is 6.5</em>