What is the answer for x and y in 2x-3y=4 x+4y=-9

Atriangle has an area of 72 square inches. if the base of the triangle has a length of 18 inches, what is the height of the triangle? use the formula for the area of a triangle: area = (base)(height) type a numerical answer in the space provided. do not include the units or spaces in your answer.

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Why is partitioning a directed line segment into a ratio of 1: 3 not the same as finding the length of the directed line segment?