Sure! Here are the sentences rewritten from active to passive or vice versa:

1. **Active:** The cells use glucose to provide energy.
**Passive:** Glucose is used by the cells to provide energy.

2. **Active:** We provided all the athletes taking part in the contest with laptops and video cameras.
**Passive:** All the athletes taking part in the contest were provided with laptops and video cameras.

3. **Active:** Health experts advise everyone to eat 400 grammes of fruit and vegetables per day.
**Passive:** Everyone is advised by health experts to eat 400 grammes of fruit and vegetables per day.

4. **Active:** Nobody knows how the fire began.
**Passive:** How the fire began is not known by anybody.

5. **Active:** According to reports, coastal areas have hit the hardest by the storm.
**Passive:** According to reports, the hardest hit by the storm were coastal areas.

6. **Active:** We spent around $400 billion dollars on worldwide advertising last year.
**Passive:** Around $400 billion dollars was spent by us on worldwide advertising last year.

7. **Active:** If you asked me to rejoin the project, I would refuse.
**Passive:** If the project were proposed to me again, I would refuse.

8. **Active:** Smith has been forced to abandon the Tour de France after breaking his arm.
**Passive:** After breaking his arm, Smith was forced to abandon the Tour de France.