round 2 decimal places
in 2000, the world population was 6 billion. if the world population is growing at a rate of 1.4% per year, predict the population in 2010?

Sum of the interior angles of a pentagon

Delbert keeps track of total of the total number of points he earns on homework assignments, each of which is worth 60 points. at the end of the semester he has 810 points. write an equation for delbert’s average homework score a in terms of the number of assignments n.

Aparking garage charges $1.12 for the first hour and 0.50 for each additional hour. what is the maximum length of time tom can park in the garage if we wishes to play no more than $5.62