$55
$33= 3CDs
$11= 1CD (divide by 3)
$55= 5CDs (times 1 by 5)
Answer:
a
Step-by-step explanation:
3x^2 or 3x squared
4x^2-x^2=3x^2
4x squared-x squared equals x squared
when subtracting squared it's like subtracting normal numbers
