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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)

1 year

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

1 year

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.

1 year

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