D. Inequality
An expression would just contain simple arithmetic without any symbols relating two things to another.
An equation must contain an equals sign.
A fraction will have a bar representing division.
An inequality contains a sign representing a comparison of magnitude, in this question less than <.
Hope this helps!!
Http://rss2search.com/nohost.php?url=www.edhelperblig.com/cgi-bin/socstud.cgi
Y=2
If you subtract 9-7 you get the answer 2 which makes y=2.
Step-by-step explanation:
sorry but u should provide with a diagram for better understanding of ur question