Which line on the graph below has a slope of zero

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What are the domain and range of the function? f(x) = -4 (sqrt)x

The perimeter of a rectangular lot of land is 436 ft. this includes an easement of x feet of uniform width inside the lot on which no building can be done. if the buildable area is 122 ft by 60 ft, determine the width of the easement. select one: a. 9 feet b. 18 feet c. 4.5 feet d. 7 feet

When solving a logarithm equation, how do you find the missing variable ?