21 - 16.75 is 4.25. Do the problem on a calculator and you'll get it.
Answer:
I believe your answer is -i
Answer:
C
Step-by-step explanation:
4y-9+4y simplified by combining like terms is 8y-9
Answer:
#12 is 1
Step-by-step explanation:
5 boys play both hockey and volleyball (30-20-15=5)