Answer:the answer should be B :) !
Step-by-step explanation:
Hello there!
<u><em>Answer: ⇒⇒=1975</em></u>
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Step-by-step explanation:
First you had to multiply by the number.

1975 is the right answer.
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Hope this helps!
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-Charlie
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Difference means subtract so we can reduce the choices right away to first and third choices. of the only the first is the difference of squares, namely x² - 4²
Answer:
15,008 grams
Step-by-step explanation:
You have 30,016 grams of radioactive kind of rubidium. How much will be left after 54 minutes if its half-life is 18 minutes? 15,008 grams.
Answer:
There are 35 students in the class
Step-by-step explanation:
We would divide 21 by 60%
21/0.6 = 35 students.