Find the scale factor of a drawing if the scale is 1 inch = 1/8 inch inch.

A. 1/8
B. 1
C. 1/4
D. 8

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.

Find the area of the region that is inside r=3cos(theta) and outside r=2-cos(theta). sketch the curves.

What makes a trapezoid an isosceles trapezoid?