The sum of interior angles in a regular hexagon is 180(�−2)180(n−2) where �n is the number of sides.
If a shirt costs $25 and is on sale for 20% off, what is the discounted price?
Solve for �x: 23(15−�)=832(15−x)=8
A store initially had 120 items. If 25% were sold, how many items remain?
If 2�+7=212r+7=21, what is the value of �r?
If �+�=15a+b=15 and �−�=5a−b=5, what are the values of �a and �b?
If �x is 8 more than twice �y, and �y is 5, what is the value of �x?
If 30% of a number is 45, what is the number?
If 5�+3=285q+3=28, what is the value of �q?
If 3�−4=143s−4=14, what is the value of �s?
If the radius of a circle is 7 units, what is its circumference?