You want to measure the height of a tree growing vertically on the side of a hill. the hill makes an angle of 20°with the horizontal. standing 15ft. downhill from the base of the tree, you measure the angle formed by the hill and the top of the tree to be 45°. find the height of the tree to the nearest foot. show your work.

Cherie measures and records the lengths and sizes of the same style of a sandal found at a shoe store. which equation can be used to determine the approximate shoe size, s, for a foot length of x inches? s = x – 2 s = 2x – 10 s = x + 6 s = 2x + 4

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The edge of a cube was found to be 30 cm with a possible error in measurement of 0.4 cm. use differentials to estimate the maximum possible error, relative error, and percentage error in computing the volume of the cube and the surface area of the cube. (round your answers to four decimal places.) (a) the volume of the cube maximum possible error cm3 relative error percentage error % (b) the surface area of the cube maximum possible error cm2 relative error percentage error %