Answer:
3(a +3)
Step-by-step explanation:
(a+3)^2 -a(a+3)
FOIL
a^2 +3a+3a+9 -a(a+3)
Distribute
a^2 +3a +3a +9 -a^2 -3a
Combine like terms
3a +9
FACTOR out a+3
(a+3)( a+3 -a)
(a+3) (3)
3(a+3)
Your answer is d
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400/100=4 so 4 workers are = to 1%
72×4=288 workers are part time
400-288=112 full time workers
Answer:
-2/7
Step-by-step explanation: