Juations John is n years old. Kim is three years younger than John and Vanessa is half
Kim's age

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

What is the simplified form of (3.25x10^3)(7.8x10^6) written in scientific notation?

Algebraically prove that a clockwise and counterclockwise rotation of 180° about the origin for triangle abc are equivalent rotations.