1. Harold bought a total of 40 items at an online store. He purchased ebooks for $7.50 each and mp3s for $0.90 each. If he spent a total of
$181.20 at the online store, how many ebooks did he purchase and how
many mp3s did he purchase?

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?

Find the length of the radius of a circle with the center at -7+2i and a point in the circle at 33+11i

Which of the following represents a function? 50 !