A rectangular flowerbed has a width that is 8 ft shorter than it is length. Create an algebraic expression to represent the perimeter of the flowerbed.

Suppose that in 2008 , 840,800 citizens died of a certain disease assuming the population of teh country is 399 miliion, what is the mortality rate in units of deaths per 100,000 people?

An elevator travels 310 feet in 10 seconds. at that speed, how far can't his elevator travel in 12 seconds?

Which of the following graphs could represent a cubic function?