Cross multiplication: Given a a/b = c/d , we use the following formula to solve the proportion for the unknown value, ad = bc.

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Create and solve a linear equation that represents the model, where squares and triangles are shown evenly balanced on a balance beam. assume the weight of a square is 1 unit and the weight of a triangle is unknown.

The circumference of a redwood tree trunk is 20π ft, and it is 100 ft tall. what is the approximate volume of the redwood tree trunk? 1,000π ft3 10,000π ft3 4,000π ft3 40,000π ft3

The amount spent on food and drink by 20 customers is shown below what is the modal amount spent ?