Answer:
a reflect across x=y
Step-by-step explanation:
Hello,
y = ax + b where a is the slope ! so here the slope is 6
3 have only been in ballet
If
5 have been in ballet
9 have been in play
2 have been in both ballet and a play
Then
<u>3 have only been in ballet</u>
7 have only been in a play