He can download at most 16 songs to leave $13 for himself to spend.
Use the equation $25-$0.75(x)=$13
There are total 10 right angles in the given diagram, hence option (b) is correct match.
<em>Refer the attached image for clarification. </em>

Answer:
(13+9)+4=26
explaiation
the order of numbers in an addition problems doesn't affect the Sum
Answer:
I don't know sorry
Step-by-step explanation:
Answer: 3-i
Let me know if this helps!!!