A company's stock was selling at
$35 a share. A month later, it was
selling at $14 a share. What is the
percent decrease?

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?

If the altitude is drawn to the hypotenuse of a right triangle, then the two triangles formed are similar to the original triangle and to each other. which set of triangles shows the similar triangles created by the altitude in the diagram?

Suppose that 15 inches of wire cost 60 cents. at the same rate, how much (in cents) will 12 inches of wire cost