Given: if line cd=9 and line db=16. what is the measure of the tangent line ab?

You are cycling around europe with friends. a cycling festival is starting soon in barcelona. it will take 4.5 hours to cycle there. how many minutes in total is this?

An octagonal prism has jow many lateral faces?

Atown has a population of 12000 and grows at 3.5% every year. what will be the population after 7 years, to the nearest whole number?