A block of iron has dimensions of 1 cm x 2 cm x 5 cm and has a mass of 799
What is its density? (V=lxwxh)

Are triangles the congruent? write the congruency statement. what is the congruency that proves they are congruent? what is the perimeter of ∆pqr?

In the diagram, ab is tangent to c, ab = 4 inches, and ad = 2 inches. find the radius of the circle.

(-y to the power of 2 - 4y- to the power of 2 -6 y +3)