Plzz help it do today

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.

Lola says these two expressions have the same value. expression a expression b which explains whether lola is correct?

Suppose the equation of a line is 2x − 4y = − 8. which coordinate pair represents the y-intercept?