<em>HOPE</em><em> </em><em>THIS</em><em> </em><em>WILL</em><em> </em><em>HELP</em><em> </em><em>U</em><em>.</em><em>.</em><em>.</em>
Answer:
positive 15
Step-by-step explanation:
opposite of negative is positive
it will be twelve and thirty eight hundredths
200 milimeters is the answer
You just have to add the numbers up.
So the perimeter is 47 ft.