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Convert feet to inches.    There are 12 inches in a foot. 

Find the perimeter and the area of the triangle.  The formula for the area of a triangle is: .  Your answer for the perimeter should be in the form ______yds.  Your answer for the area should be in the form ______ sq. yds.   

Relative to ultraviolet waves, the wavelength of infrared waves is

Atmospheric refraction makes the daylight hours a bit

A pair of plane mirrors are at right angles to each other. A coin placed near the mirrors has at most

A yellow-white candle flame reflected from a piece of red glass shows two images, one from each surface.

A diver shines light up to the surface of a smooth pond at a 10° angle to the normal. Some light passes into the air above, and the part that reflects back into the water makes an angle to the normal of

The inversion of your image in a plane mirror is actually an inversion of

If for

Below is a picture of the function