0,0a_2×1÷4=12÷10a_52÷10

If the public debt of a country in 2009 was $10432000000000 and the budget for 2010 was in deficit by $201645000000, what was the public debt in 2010? do not include commas in your answer.

You are cycling around europe with friends. a cycling festival is starting soon in barcelona. it will take 4.5 hours to cycle there. how many minutes in total is this?

If tan2a=cot(a+60), find the value of a, where 2a is an acute angle