When you decrease the mass of the balls the arrows get farther apart.
The Air mass is a volume of air defined by the temperature and water vapor content. A front is the boundary between the two air masses.
High-pressure systems is characterized by relatively high surface pressures. Low pressure is associated in the overall ascent of air, cloud and stormy weather, strong winds, and relatively high humidity.
The Jet stream is the fast flowing air current that occurs in the atmosphere of Earth and the other planets. Global wind belt is formed by the Earth's spin and the unequal heating of the Earth's sunlight!
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Answer:

Explanation:
Given
--- monthly expense

Required
The total expenses
First, we calculate the annual billing



The family's total expenses (y) is calculated by adding the annual billing and the extra expense


Isnt it 43 I really don’t know I’m my caculation that way it says