Answer:
A=bh/2
Step-by-step explanation:
use the distance formula to find the length of the base and the height. Then, multiply those numbers and divide by 2
<u><em>Statement B. Is correct.</em></u>
Answer:

Step-by-step explanation:
Given


Required
Determine the new position
It descends means that it moved in the downward position.
So, the new position is:



<em>Hence, the new position f the submarin is -415m</em>
The mean of the data set is 6.8.
<h3>What is the mean?</h3>
Mean is the average value of the given set of observations. In statistics, we also come across different types of mean such as Arithmetic, Geometric and Harmonic mean.
Given
The data set is 14, 7, 2, 8, 3.
The mean of the data set is given by;

Hence, the mean of the data set is 6.8.
To know more about mean value click the link given below.
brainly.com/question/4209766
Answer:
3
Step-by-step explanation:
r=6/2=3