Both x and y equal 2.
2•2=4 + 2•2=4
4+4=8
2+2=4
Answer:

Step-by-step explanation:

Answer:
B
Step-by-step explanation:
He found out how many people who play 2+ instruments are 8th graders rather than how many 8th graders play 2+ instruments.
Answer:
Most likely D.
Step-by-step explanation:
Makes the most sense.