Please capitalize where necessary: barbie was bored at home and has called some friends for a ride. in this game you can dress beautiful barbie and her two friends however you want.
A: Barbie was bored at home and has called some friends for a ride. In this game you can dress beautiful Barbie and her two friends however you want.

Q: the opposition to current flow, expressed in ohms.

A: The opposition to current flow, expressed in ohms.

Q: here at hotel norge knut hamsun stayed several times per year during the 1930'ies and always in room 302.
A: Here at Hotel Norge Knut Hamsun stayed several times per year during the 1930'ies and always in room 302.

Problem: okdtures.dll program freezing and system crashing: important system components such as okdteres.dll and okdtcres.dll become abnormal.
Can you repeat this sentence, but capitalize it?
Answer: OKDTURES.DLL program freezing and system crashing: Important system components such as OKDTERES.DLL and OKDTCRES.DLL become abnormal.

Text: according to the ren21 renewables global status report 2009 update, global power capacity from renewable energy sources (excluding large hydro) in 2008 rose by 16 percent compared with 2007.

Correct capitalization: According to the REN21 Renewables Global Status Report 2009 Update, global power capacity from renewable energy sources (excluding large hydro) in 2008 rose by 16 percent compared with 2007.

Please capitalize where necessary: the duke employed two of the most skilled turning artists of the time, marcus heiden and his pupil, johann eisenberg.
A:
The Duke employed two of the most skilled turning artists of the time, Marcus Heiden and his pupil, Johann Eisenberg.