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Evaluate: for

Round to the nearest thousandth:

A rectangular tabletop has a length of 90 cm and a width of 41 cm. Find the perimeter and the area of the tabletop. This problem should have two answers and follow the format requested to receive full credit. Your answer for perimeter should be in the form: ________ cm. Your answer for area should be in the form: _____ sq. sm. 

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