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Answer:
Step-by-step explanation:
Neutron: has mass and no charge
Protons: has mass and a positive charge
Answer:
(4x - 3) (4x+ 5)
Step-by-step explanation:
<em>Answer:</em>
<em>In problems involving proportions, we can use cross products to test whether two ratios are equal and form a proportion. To find the cross products of a proportion, we multiply the outer terms, called the extremes, and the middle terms, called the means.</em>
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