9. Decide whether each of the following pairs of
equations are equivalent for all values of x and
y. If they are equivalent, show how you can be
sure. If they are not, justify your reasoning
completely.
a. 3x + 2y = 4 and y =-1.5x + 2

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.

Polynomial that can be factored as (3x-4)(3x+4)

Bob is putting books on a shelf and takes a break after filling 18 1/2 inches on the book shelf. the book shelf is now 2/3 full. how long is the entire bookshelf?