Polygons and Angles Find the sum of the interior angle measures of each polygon.
1. dodecagon (12-gon)
2. 17-gon
4. decagon
5. pentagon
7. hexagon
8 octagon
Find the measure

Anne is twice as old as bill, and bill is 3 years older than christie. the sum of anne s and christie s ages equal 72. find their age difference.?

Isee the amount was $90.00 then reduced to $75.00 , what is the percent ?

Pepe and leo deposits money into their savings account at the end of the month the table shows the account balances. if there pattern of savings continue and neither earns interest nor withdraw any of the money , how will the balance compare after a very long time ?