Triangle A B C is shown with centroid G. Lines are drawn from each point of the triangle through the centroid and to the midpoint of the opposite side to form line segment A D, line segment B E, and line segment C F. The length of line segment D G is x minus 15 and the length of line segment G A is x + 7. G is the centroid of triangle ABC.

What is the value of x?

What is the length of segment DG?
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What is the length of segment AG?
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What is the length of segment AD?
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According to the 2008 u. s. census, california had a population of approximately 4 × 10^7 people and florida had a population of approximately 2 × 10^7 people. which of the following is true? a. the population of florida was approximately two times the population of california. b. the population of florida was approximately twenty times the population of california. c. the population of california was approximately twenty times the population of florida. d. the population of california was approximately two times the population of florida.

Solve the following pair of equations for x and y: ax/b_ by /a= a +b; ax - by = 2ab

How can you find the mean absolute deviation (mad) for this set of data?