An ornate capital B surrounded by leaves and vines, used at the start of a new chapter or heading.

An illustration of a lever with weights m and n with distances a and b from fulcrum. Illustration could…

An illustration of a rectangle with lengths a and b and area ab.

An illustration of composite rectangle with lengths a, b, and c with area ac + bc. This illustration…

Right triangle ABC with angles A, B, C labeled and leg of 13 with hypotenuse of 15.

Right triangle ABC with angles A, B, C to be used for finding distance across a river. This is a trigonometry…

Right triangle ABC with a base angle of 67 degrees 4208 minutes and a hypotenuse of 23.47 ft.

Right triangle ABC with a leg of 23.85 feet and a hypotenuse of 35.62 feet.