Answer:
A
Step-by-step explanation:
i think so..sorry if im wrong
C is the rigth answer because all the other three has two x values in common. :)
Consider, pls, the suggested option (see the attachment).
Answer:
80%
Step-by-step explanation:
convert to percent:

Answer:

Step-by-step explanation:

We have:
<em> subtract 7a from both sides</em>

<em>add 3 to both sides</em>
