N January 2012, the U. S. population was about 313 million people. In January 2017, it was about 324 million. What was the average rate of population change per year? The average rate of change is
million people per year.

Tickets to an orchestra concert cost $25.50 apiece plus a & 2.50 handling fee for each order. if jamal spent $79 how many ticket did he purchase

Find the solution of this system of equation -7x+y=-20 9x-3y=36

James wants to promote his band on the internet. site a offers website hosting for $4.95 per month with a $49.95 startup fee. site b offers website hosting for $9.95 per month with no startup fee. for how many months would james need to keep the website for site a to be a better choice than site b?