The length of a rectangular field is 6 more than twice the width. Write an equation that models the length, l, in terms of the width, w.

a)

l+6=2w

b)

l-6=2w

c)

l=2w+6

d)

l=2w-6

A triangle has a base that measures 6.4 feet. It's height measures 5 feet. How many square feet is the area of the triangle?

680,705 expanded form

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4,043. Is the value of the first 4 ten times as great as the value of the second 4.

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In a survey of US women the heights in the 20 to 29 age group we are normally distributed with a mean of 64.2 inches and a standard deviation 2.

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