Answer:
19
Step-by-step explanation:
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21
I would say D, determine if it can be factored by grouping (sorry, I forgot to put in the answer here).
Answer: Each time the pentagon is rotated , it maps back onto itself. There are five values of for which the pentagon maps back onto itself. This is the same as the number of sides of the pentagon.
Answer:
$100
Step-by-step explanation:
20%+30% = 50% off
50/100 = 1/2
200*1/2 = $100
