In the image, CD is perpendicular bisector of AB. If the measure EG is 4 inches, which of the following statement is true?

How do you solve a question like this?

Find the midpoint m of z1=(8+5i) and z2=(12+3i)

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?