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:
he has to pick the phone up 100 more times
Answer:
d=1/2
Step-by-step explanation:

Answer:
Hey dude!
The answer is
area of triangle AED=
AE x DE
How I got this answer:-
Area of a triangle is
base x altitude.
Here, the base of the triangle is DE
And its altitude is AE
Hence, the area would be:-
AE x DE