Which of the following numbers is 90 divisible by 2 3 4 5 6 9 10

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.

Witch represents the inverse of the function f(x)=1/4x-12

What is the equation of a line passing through (-6,5) and having a slope of 1/3