A blueprint of a shopping complex shows the bottom edge of the roof to be 93 feet above the ground. If the roof rises to a point 171 feet above the ground over a horizontal distance of 6.5 yards, what is the slope of the roof?1.28124

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^ not to scale

171 - 93 = 78

height of 78, width of 19.5, what is the slope

78/19.5 = 4

the last option, 4

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