Answer: 
<u>Switch operations</u>
Before: 
After: 
Before you switch operation you remove the subtraction sign where -(16) is.
<u>211 - 87.40</u> equals 123.60.
To see if your answer is correct just <u>add 123.60 and 87.40 together</u>.
Answer:
ans of y is 3 because 12-3=9
1.) Factor 9u^2-12u

2.) Cancel any common factors (in bold will be the terms eliminated)

Final answer is:
3u-4
Therefore, the answer is
C. 3u-4