The thin lens equation describes the relationships between the distance of an object from the lens (d), the distance of the image from the lens (g), and the focal length of the lens ().
*+-;
If the object distance (d) is twice the image distance (g), what is the object distance when the
focal length is 10 centimeters?
A 5 centimeters
B. 10 centimeters
C 15 centimeters
D. 30 centimeters

Match the scale and the actual area to the area of the corresponding scale drawing. scale: 1 inch to 4 feet actual area: 128 square feet scale: 1 inch to 7 feet actual area: 147 square feet scale: 1 inch to 8 feet actual area: 256 square feet scale: 1 inch to 5 feet actual area: 225 square feet area of scale drawing scale and actual area scale drawing area: 3 square inches arrowright scale drawing area: 8 square inches arrowright scale drawing area: 4 square inches arrowright scale drawing area: 9 square inches arrowright