Identify the area of a regular hexagon with side length 14 in. rounded to the nearest tenth.
a ≈ 169.7 in2
a ≈ 678.9 in2
a ≈ 1018.4 in2
a ≈ 509.2 in2

Follow these steps using the algebra tiles to solve the equation −5x + (−2) = −2x + 4. 1. add 5 positive x-tiles to both sides and create zero pairs. 2. add 4 negative unit tiles to both sides and create zero pairs. 3. divide the unit tiles evenly among the x-tiles. x =

The areas of two similar triangles are 72dm2 and 50dm2. the sum of their perimeters is 226dm. what is the perimeter of each of these triangles?

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