Plsss points m and n are the midpoints of sides ac and bc of triangle abc. prove that the ratio of the area of the triangle mnc to the ratio of abnb is 1: 3

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Which expression is equivalent to 8(k + m) − 15(2k + 5m)?

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