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if the square pyramid shown above is sliced by a plane perpendicular to the base and passing through the top vertex, which of the following best describes the cross-section of the pyramid?

Acomputer store bought a program at a cost of $10 and sold it for $13. find the percent markup

Find the distance between the point (-3,-4), and (see the picture below)

If you were constructing a triangular frame, and you had wood in the length of 4 inches, 4 inches, and 7 inches, would it make a triangle? would you be able to create a frame from these pieces of wood?