Find the slope of the line.

-1/2
1/2
-2/7
2

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.

Evaluate cos2θ for cosθ = square root of 3/2

Wrote and expression for the difference of p and 4