Answer:
x=3
Step-by-step explanation:
I am assuming that your equation is:

Subtract 4 from both sides to get:

Square both sides to get:



Divide both sides by 8 to get:

<em>so</em><em> </em><em>the</em><em> </em><em>answer</em><em> </em><em>is</em><em> </em><em>of</em><em> </em><em>option</em><em> </em><em>C</em><em>.</em><em>.</em><em>.</em><em>.</em>
Answer:
D
Step-by-step explanation:
There are a total of 900 students at Molly’s school. 810 is 90% of 900. 90% of students did not wear a silly hat.