There is à rope running from the top of a flagpole to a hook in the ground. the flagpole is 16 meters high, and the hook is 12 meters from its base. how long is the rope?

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?

Which of the following is a proper fraction? a. 9⁄8 b. 5⁄6 c. 7⁄3 d. 4⁄2

Which matrix multiplication is possible?