2+2=4
a^2+b^2=c^2
15^2-4^2
=225-16
=209
The price of third MP3 Player is $58.4
Further explanation:
Given
Price of first MP3 player= p1= $56
Price of second MP3 Player = p2= $62
Price of third MP3 Player=?
Average = X = $58.80
The formula for average is:

We have 3 items.
Putting the values

The price of third MP3 Player is $58.4
Keywords: Average, Sum
Learn more about average at:
#LearnwithBrainly
Could you resend the picture it isn't clear?
Answer:
I dont know if this helps
Prime= 19, 37, and 47
Composite= 9, 15, 26, 33, and 45
Hope this helps!