Answer:

Step-by-step explanation:
Formula to find radius:




<em>hope this helps......</em>
Formula
l×w×h=volume
12×5×9=v
540=v
All you need to do is add te averages together then divide them by 2.
91%+78%=169%
169%÷2=84.5%
So the new test average is 84.5%
Elevation: H<span>eight above a given level, especially sea level.
So the answer is already given to us. 12 meters.</span>
Hi there! The answer is 5/6 hours (which is 50 minutes)
To find the total time Ann spent on her papers, we must add the fractions.

In the first step, we had to make the denominators the same. We need to use the LCM of the numbers 2 and 3. LCM(2,3) = 6.
In the second step we added the fractions. Remember that we only need to add the numerators (the denominator remains the same).
~ Hope this helps you!