Kate walks half a mile to the library. how many yards does she walk?

The rows and columns of lattice points in a three-by-three square array are evenly spaced one unit apart. how many distinct triangles with at least one side of length 2 units can be drawn using three lattice points for the vertices?

Identify an equation in point slope form for the line perpendicular to y=3x+5 that passes through (4,-1)

The width of a rectangle is half as long as the length. the rectangle has an area of 18 square feet. what are the length and width of the rectangle?