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Ricardo drove 15 miles in 20 minutes. What was his average rate in miles per hour? (number form)

Question

Ricardo drove 15 miles in 20 minutes. What was his average rate in miles per hour? (number form)

9 months

Now balance the chemical reaction by providing the correct coefficients: carbon + fluorine gas yields carbon tetrafluorid

Question

Now balance the chemical reaction by providing the correct coefficients: carbon + fluorine gas yields carbon tetrafluoride [?] C+[?]F2 → [?]CF4

9 months

Write as a mathematical equation. If 25 is subtracted from a number, the result is 7.

Question

Write as a mathematical equation. If 25 is subtracted from a number, the result is 7.

9 months

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