Answer:
There is 7.5% increase in the number of songs on his mp3 player.
Step-by-step explanation:
Original Songs in mp3= 440 songs
Final Songs in mp3= 473 songs
We need to find percent of increase in the number of songs on his mp3 player.
The formula used is: 
Now putting values and finding percent of increase

So, there is 7.5% increase in the number of songs on his mp3 player.
Answer:
(-5,-4)
Step-by-step explanation:
reflection over y-axis makes (x,y) become (-x,y)
Answer:
Step-by-step explanation:
the first 1 is lamarck
the second one is 1,3,4
then last one is the 4th one
your answer would be m=3 :)