Answer:
A's average speed is 100. I did this same thing and passed my grade.
Answer:
<h2>

</h2>
Step-by-step explanation:

Write -13x as a difference

Factor out x from the expression

Factor out -10 from the expression

Factor out x-3 from the expression

Hope I helped!
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Answer:
5700 grams
Step-by-step explanation:
1 kg = 1000 grams
5.7 kg = 5.7 × 1000
=> 5700 grams
hope it helps!