An elementary school consists of kindergarten (grade 0) through grade 5. The equation n = − 38 g + 378 can be used to determine the number of students, n, who started the school in kindergarten and who are still in the school at grade g. Which description represents the meaning of 378?
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Triangles abc and dfg are given. find the lengths of all other sides of these triangles if: b ∠a≅∠d, ab·dg=ac·df, ac=7 cm, bc=15 cm, fg=20 cm, and df-ab=3 cm.
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