Acoin contains 1.25 grams of nickel and 3.75 grams of copper, for a total weight of 5 grams what percentage of the metal in coin is copper

Find the value of tan theta if sin theta = 12/13 and theta is in quadrant 2

In the diagram, the ratio of ab to ae is (1/2) . what is the ratio of the length of to the length of ?

Drag the tiles to the boxes to form correct pairs. not all tiles will be used. match each set of vertices with the type of quadrilateral they form