9m * 10m + 9m * 30 m
= 9m * ( 10m + 30m)
= 9m * 40m
= 9m * 4 * 10m
= 36m * 10m
= 360 m²
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Area:
360 metres²
The gcf is 3 because that is thier greatest common factor that isn't 1
Answer: use a calculator or ask for help
Step-by-step explanation:
Answer:

Step-by-step explanation:

Answer:
less than
Step-by-step explanation: