The perimeter of a rectangle is 35 cm. The rectangle s area in sq. cm) as a function of its length (in cm) is graphed What is the approximate average rate at which the area decreases, as the rectangle's length goes from 13 cm to 16 cm?

International calls require the use of a country code. many country codes a 3-digit numbers. country codes do not begin with a 0 or 1. there are no restrictions on the second and third digits. how many different 3-digit country codes are possible?

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Stacey filled her 1/2 cup of measuring cup seven times to have enough flour for a cake recipe how much flour does the cake recipe calls for