Triangle a b c has centroid g. Lines are drawn from each point through the centroid to the midpoint of the opposite side to form line segments a f, b d, and c e. The length of line segment a g is 19 x + 14 and the length of line segment d g is 9 x + 2. G is the centroid of triangle abc. What is the length of gf? units.

Registrars maintain high a. standardized tests b. faculty payrolls c. transcripts d. sporting facilities

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Apopulation of deer mice was introduced into a desert ecosystem. being dark-colored, the deer mice stood out in the sand and were easy prey for predators. over a few years, the color of the mice changed from dark brown to light brown. what role does natural selection play in this example? a. the change of color camouflaged them, which them hunt better. b. the change of color enabled them to regulate their body temperature. c. the change of color allowed them to hide better from predators. d. the change of color made their bodies tolerant to the harsh desert sand. e. the change of color allowed them to deflect the excessive heat.