Find the area of the triangle.

Afrequency table of grades has five classes (a, b, c, d, f) with frequencies of 3, 13, 14, 5, and 3 respectively. using percentages, what are the relative frequencies of the five classes?

What three-dimensional solid have 6 rectangular faces, 2 equal bases that are not rectangles and 18 edges

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