The cost of pens varies directly as the number of dozens purchased. If 4 dozen cost $10.60, then how much will 7 dozen pens cost?

How can we find the measure of an exterior angle if we know the measurement of an interior angle

How do the definitions, properties, and postulates you've learned about line segments, parallel lines, and angles to define the shapes of polygons

Solve this problem! extra ! 3025/5.5 = a/90.75