Which of the following is a complex number?

-7
2 + square root 3
4 + 9i
Pie

Which values for a and b will create infinitely many solutions for this system of equations? ax-y=8 2x+y=b

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? 1. define a variable for the situation. 2. write an inequality that represents the situation. 3.solve the inequality to find out how many months he needs to keep the website for site a to be less expensive than site b. 4. using words, describe how many months he needs to keep the website for site a to be less expensive than site b.

If 20% of a number is 35, what is 50% of that number?