M N is dilated by a scale factor of 6 to form M'N' M'N' measures 78. What is the measure of MN?

Aplot of land has been surveyed for a new housing development with borders ab, bc, dc, and da. the plot of land is a right trapezoid with a height of 60 feet and an opposite leg length of 65 feet

If the scale factor between two circles is 2x/5y what is the ratio of their areas?

Do,h = (7, 9) (14, 18) the scale factor is