Answer:
2x+9 when x equals 3 is 2*3+9
=15
Explanation:

A model represents a place thing or idea. A made is a model as it shows a place and represents the place it’s showing such as a globe
Answer:
well educate ,to get service work and manpower ,to get education
Explanation:
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Answer:
This chain of volcanoes can be found along the Pacific plate.
Explanation:
They are part of what is called the Pacific Ring of Fire.