Cot(2 theta)=(5-5)/6
solve for theta

You have 6 dollars +12 pennies +to quarters + 4 dimes=2 nickels how much do you have

According to modern science, earth is about 4.5 billion years old and written human history extends back about 10,000 years. suppose the entire history of earth is represented with a 10-meter-long timeline, with the birth of earth on one end and today at the other end.

The number of branches on a tree demonstrates the fibonacci sequence. how many branches would there be on the next two levels of this tree? 13 | | | m branches