Well if the room is square then you ned to find the square root of the area.
Find 
HI, please send the results from part C….. We can’t answer without knowing the results unless someone already did this question and know the answer..
Answer:
Her friend gave Sheila a markdown of $15.
Step-by-step explanation:
Given;
Amount paid for 2 tickets = $90
Actual amount for each ticket = $52.50
we need to find the markdown value did her friend gave to Shelia.
Solution:
each ticket = $52.50
2 tickets = Cost of 2 tickets.
By using unitary method we get;
Cost of 2 tickets = 
Now To find the markdown we will subtract the Amount paid for 2 tickets from the actual Amount of 2 tickets.
framing in equation form we get;
Markdown 
Hence her friend gave sheila a markdown of $15.
Answer:
-21 and 63 are the possible values
Answer:
8x8=16
13x13=2(13)
81
Step-by-step explanation: